Appointment reminder messages that cut no-shows
No-shows cost you an empty chair and a lost hour. Most happen because people forget, not because they don't care. This prompt writes a full set of appointment reminder messages for your business, from booking confirmation to the no-show follow-up, short enough for SMS and friendly enough that clients actually reply.
The prompt
- Write a set of appointment reminder messages for [BUSINESS NAME], a [TYPE OF BUSINESS]. Clients get them by [CHANNELS]. Write: 1) booking confirmation, 2) reminder [FIRST REMINDER TIMING] before, 3) same-day reminder, 4) reply-to-confirm version ("Reply YES to confirm or R to reschedule"), 5) reschedule message, 6) late-running message from us, 7) no-show follow-up, 8) post-visit thank you with a review link. Include our cancellation policy: [CANCELLATION POLICY]. Use these merge fields: {first_name}, {date}, {time}, {service}, {staff}. SMS versions under 160 characters; WhatsApp and email versions can be a bit longer. Tone: [TONE]. Add any prep the client needs: [PREP INSTRUCTIONS]. Give me a Word file with a table: message, channel, timing, text, character count.
What to change
- [BUSINESS NAME]: E.g. "Brightsmile Dental" or "Ink & Iron Tattoo".
- [TYPE OF BUSINESS]: E.g. "dental clinic", "physio practice", "dog groomer", "barbershop".
- [CHANNELS]: SMS, WhatsApp, email, or a mix. Your booking tool sends them; this writes the text.
- [FIRST REMINDER TIMING]: Often 24 or 48 hours. Longer appointments or prep-heavy ones suit 48 to 72 hours.
- [CANCELLATION POLICY]: E.g. "24 hours notice, late cancellations charged 50%".
- [TONE]: E.g. "warm and casual", "professional and calm" for medical.
- [PREP INSTRUCTIONS]: E.g. "arrive 10 minutes early, bring insurance card", "come with clean, dry hair", or "none".
Example result
- Brightsmile Dental: reminder messages (SMS versions)
- 1. Booking confirmation (sent right away)
- Hi {first_name}, you're booked at Brightsmile Dental for {service} on {date} at {time} with {staff}. Need to change it? Call 555-0198.
- 2. Reminder, 48 hours before
- Hi {first_name}, see you {date} at {time} for your {service}. Reply YES to confirm or R to reschedule. Changes need 24h notice. Brightsmile Dental
- 3. Same-day reminder (2 hours before)
- Morning {first_name}! Your appointment is today at {time}. Please arrive 10 min early with your insurance card. 14 Elm St, parking at the back.
- 4. Reschedule
- No problem, {first_name}. Reply with a day and time that suits you, or book online: brightsmile.example/book. We'll confirm by text.
- 5. We're running late
- Hi {first_name}, sorry, we're running about 15 minutes behind today. Your appointment is still on. Feel free to come a little later.
- 6. No-show follow-up
- Hi {first_name}, we missed you today at {time}. Hope all is well. Reply to rebook. As per our policy, a missed-appointment fee may apply.
- 7. Thank you + review
- Thanks for coming in today, {first_name}. If you have a minute, a Google review helps us a lot: [review link]. Brightsmile Dental
- Why it works
- • The 48-hour reminder asks for a reply, which turns a reminder into a commitment
- • The policy appears once, early, not as a threat in every message
- • Practical details (parking, documents) reduce late arrivals
- • No health details in any message, which matters for medical privacy
- Timing plan
- • Confirmation: at booking
- • Reminder: 48 hours before
- • Same day: 2 hours before
- • Thank you: 2 to 3 hours after the visit
How to do it with todo.is
- Copy the prompt and fill in your business, channels, policy and tone.
- Paste it into todo.is or send it to your agent on Telegram or WhatsApp.
- You get a Word file with every message, its timing and character count.
- Paste the texts into your booking or SMS tool. Ask your agent for a second language version if your clients need one.
Tips for a better result
- Ask clients to reply to confirm. A yes/no reminder catches cancellations early enough to refill the slot.
- Keep medical and personal details out of SMS. "Your appointment" is enough.
- Test the merge fields with a real booking before switching on. A message that starts "Hi {first_name}" looks broken.
- For your own reminders (not clients'), todo.is can message you on WhatsApp each morning with the day's list from your Google Calendar.
appointment reminder messages: FAQ
- When should I send appointment reminders? A common setup is a confirmation at booking, a reminder 24 to 48 hours before, and a short same-day reminder. Too many reminders can annoy clients, so two or three is plenty.
- How long can an SMS reminder be? A standard SMS holds 160 characters. Longer texts are split into parts, which can cost more and arrive out of order on some phones.
- Can todo.is send reminders to my clients automatically? Your agent writes the messages for your booking or SMS tool to send. It can remind you on WhatsApp, Telegram or email, and it asks your OK before sending any email on your behalf.
- Should a reminder mention the no-show fee? Mention it politely once, usually in the confirmation or first reminder. Repeating it in every message feels unfriendly.
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