Turn WhatsApp into an AI assistant that books calls and captures leads

flowchart TD trig>"customer sends whatsapp message"]:::trig s0["read message with context"]:::task s1["respond to customer"]:::task s2[("save lead details")]:::store s3["send confirmation and reply"]:::svc trig --> s0 s0 --> s1 s2 --> s3 gx{"× appointment booked"}:::gate s1 --> gx p00["create calendar event"]:::task gx -->|"booking made"| p00 p10["answer only"]:::task gx -->|"no booking"| p10 jn{"○ continue to lead save"}:::gate p00 --> jn p10 --> jn jn --> s2 out[/"instant reply and booked appointment"/]:::out pay{{"leads captured and booked automatically"}}:::pay s3 --> out out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff