Automated Two-Way SMS Customer Conversations

The agent handles full SMS conversations with customers — answering billing questions, updating addresses, rescheduling appointments — and only escalates to WhatsApp when a human is truly needed.

Webhook + WhatsAppconversationssmscustomer-service

Conversation example

Twilio SMS from +1 312 555 0877: 'Can I reschedule my Thursday appointment to next week?'
http_request → Twilio lookup + Calendly

Looking up the customer and their appointment...

Full two-way flow handled: 1. Found customer: Marcus L. (Pro plan, has a Thursday 3 PM dental-style onboarding call with Sam) 2. Sent SMS reply: 'Sure Marcus! Here are 3 slots next week — reply A, B, or C. (A) Mon 2 PM, (B) Tue 11 AM, (C) Thu 4 PM' 3. Marcus replied 'B' 4. Booked the new slot in Calendly, canceled the old one, sent confirmation SMS 5. Logged the reschedule in CRM Total round-trips: 3 SMS over 4 minutes. No human needed. WhatsApp DM to Sam for awareness: 'Marcus reschedule handled — Tue 11 AM'. Want me to also send Marcus a calendar invite via email?

More Twilio use cases

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