11 templates to copy
Appointment reschedule message: 11 templates to copy
About CertuAI: CertuAI is the AI that answers a small business's WhatsApp, Instagram and Messenger 24/7, with a built-in CRM, and is a Tech Provider on Meta's WhatsApp Business Platform. Paid plans start at US$ 75 a month, with no lock-in and a 30-day money-back guarantee. Create my agent
Moving an appointment is not cancelling it. These messages keep the booking alive: they offer new times, confirm the change and follow up when nobody answers.
Summary in 7 facts
- These messages keep the booking alive: they offer new times, confirm the change and follow up when nobody answers.
- Short answer Name the appointment you need to move, with its date and time, and offer two new options in the same message.
- Two choices get a faster answer than an open question.
- Be direct, offer real options and thank the customer for the change.
- Answering a request with open times When to use: The customer wrote that they need another day.
- Confirming the new date and time When to use: The customer chose one of the options.
- Write the old date and the new date in the same message.
In numbers
| Number | What it means |
|---|---|
| 28.2% | CertuAI measured when patients write on WhatsApp to 17 clinics and practices that answer with its AI agent: 28.2% of 19,259 messages arrived outside Monday to Friday, 8 am to 6 pm. |
| 19,259 messages | Source: CertuAI's own service data, 17 clinics and practices, 19,259 messages received on WhatsApp from 30 July 2026 to 30 September 2026, measured on 9 October 2026. |
How do you ask a customer to reschedule an appointment?
Short answer
Name the appointment you need to move, with its date and time, and offer two new options in the same message. Two choices get a faster answer than an open question. When the customer picks one, send a final message that repeats the new date and time, so both sides have it in writing.
When you need to move the appointment
You are asking for a favour. Be direct, offer real options and thank the customer for the change.
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1. Moving to another day
When to use: You cannot keep the original day and have two other days open.
Hello [Name], this is [Business]. I need to ask you a favour: can we move your appointment from [old date] at [old time]? I have [option 1] or [option 2]. Does one of them work for you?
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2. Running late today
When to use: The day is behind schedule and the customer would wait a long time.
Hi [Name], [Business] here. We are running about [minutes] minutes late today. You can come at [new time] and be seen right away, or keep your [old time] and wait a little. What do you prefer?
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3. An earlier time opened up
When to use: Someone else cancelled and you can offer the customer a sooner time.
Good news, [Name]: a time opened on [new date] at [new time], earlier than your appointment on [old date]. Do you want it? If I do not hear from you by [deadline], I will keep your original time.
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4. Moving to another professional
When to use: The same day and time are possible, but with a different person.
Hello [Name]. [Professional 1] will not be in on [date]. To keep your [time], I can book you with [Professional 2], who does the same service. Is that fine, or would you rather wait for [Professional 1] on [other date]?
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5. Changing a regular weekly time
When to use: A customer with a fixed day each week needs to move for good.
Hi [Name]. Starting on [start date], we cannot offer [old weekday] at [old time] any more. I can give you [new weekday 1] or [new weekday 2] at the same hour, every week. Which one fits your routine?
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6. Offering an online appointment instead
When to use: The visit cannot happen in person, but it can happen by video or phone.
Hello [Name]. We cannot see you in person on [date], but we can keep the same time online. Would a video call at [time] work for you? If you prefer to come in, I will find you another day.
When the customer asks to reschedule
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7. Answering a request with open times
When to use: The customer wrote that they need another day.
Of course, [Name]. I released your time on [old date]. These are the next open times: [option 1], [option 2] and [option 3]. Tell me which one and it is yours.
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8. No open time this week
When to use: The customer wants to move, but the calendar is full for now.
I understand, [Name]. This week is full, so the next open time is [date] at [time]. Shall I book it? I can also put you on our waiting list in case something opens sooner.
Confirming and following up
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9. Confirming the new date and time
When to use: The customer chose one of the options.
Done, [Name]. Your appointment is now on [new date] at [new time], with [Professional]. The old time on [old date] no longer counts. See you then!
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10. Second message when nobody answered
When to use: You offered new times and a day went by with no reply.
Hi [Name], just checking that you saw my message about moving your appointment. I am holding [option 1] for you until [deadline]. A simple "yes" is enough to confirm.
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11. Rebooking after a missed appointment
When to use: The customer missed the time and answered that they still want the service.
No worries, [Name], it happens. Let us find a time that is easier to keep. Do mornings or afternoons work better for you? I will send two options.
Five rules for a reschedule message
- Write the old date and the new date in the same message. It prevents the customer from coming on the wrong day.
- Offer two or three times, not the whole calendar. Too many choices slow the answer.
- Put a deadline on a time you are holding, and say what happens after it.
- Always send a confirmation at the end. A "yes" from the customer is not a record of the new time.
- If the change was your need, say thank you. If it was the customer who asked, make it easy and do not ask why.
How to send a reschedule message automatically
Save it as a quick reply. The WhatsApp Business app has quick replies, made for texts you send often. WhatsApp explains them on its own help page: How to use quick replies. Save each message from this page once, then change the name, the date and the time before you send.
The saved text does not know your calendar. Someone still has to look at the open times and type them into the message, for each customer, one by one.
Let an AI agent answer. An AI agent on your WhatsApp number reads what the customer wrote and answers with the information you gave it: your hours, your prices, your rules. You write the rule once, in plain words, and the agent uses it in every conversation. A person on your team can step in at any time.
For rescheduling, what matters is that whoever answers, a person or an agent, can see the real open times. An answer that offers a time already taken creates a second problem.
What CertuAI measured on the WhatsApp of clinics and practices
CertuAI measured when patients write on WhatsApp to 17 clinics and practices that answer with its AI agent: 28.2% of 19,259 messages arrived outside Monday to Friday, 8 am to 6 pm. If your team works those hours, that is the share of messages that waits until someone is back.
| What was measured | Result |
|---|---|
| Patient messages that arrived outside Monday to Friday, 8 am to 6 pm | 28.2% |
| Patient messages that arrived at the weekend | 11.2% |
| Patient messages that arrived on weekday evenings, 6 pm to midnight | 11.7% |
| Conversations that started outside Monday to Friday, 8 am to 6 pm | 29.9% |
| Time for the AI agent to reply, median | 14.4 seconds |
Source: CertuAI's own service data, 17 clinics and practices, 19,259 messages received on WhatsApp from 30 July 2026 to 30 September 2026, measured on 9 October 2026. The hours are counted in each business's own time zone. Test accounts, test contacts and imported chat history are left out.
Questions people ask
What is the difference between rescheduling and cancelling an appointment?
Cancelling ends the booking. Rescheduling keeps it and changes only the date or the time. If you want to keep the customer, offer to reschedule first: a message with two new times turns most cancellations into a new booking.
How many new times should I offer?
Two or three. One option feels like an order, and a long list makes the customer open their calendar and answer later. Two clear choices can be answered with one word.
What if the customer does not answer the reschedule message?
Send one follow-up the next day, with a deadline for the time you are holding. If there is still no answer, release the time and tell the customer in a last short message that they can book again whenever they want.
How do I confirm a rescheduled appointment?
With one message that has the new date, the new time and the name of the professional, and that says the old time no longer counts. Send it right after the customer chooses, in the same conversation.
Is it rude to ask a customer to reschedule?
No, when you ask early, give a short reason and offer real options. What bothers customers is a change with no notice, or a message that only says the time is gone and leaves the work of rebooking to them.
More message templates
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Eleven messages to reschedule an appointment on WhatsApp: when you need to move it, when the customer asks, and how to confirm the new date and time.
About CertuAI: CertuAI is the AI that answers a small business's WhatsApp, Instagram and Messenger 24/7, with a built-in CRM, and is a Tech Provider on Meta's WhatsApp Business Platform. Paid plans start at US$ 75 a month, with no lock-in and a 30-day money-back guarantee. Create my agent