Run a WhatsApp AI assistant for pet shop bookings and questions

flowchart TD trig>"customer sends whatsapp message"]:::trig s0["interpret message content"]:::task s1["send reply to customer"]:::svc trig --> s0 gx{"× what does customer need"}:::gate s0 --> gx p00["search stored documents"]:::task gx -->|"answer a question"| p00 p01["compose grounded answer"]:::task p00 --> p01 p10["check calendar availability"]:::task gx -->|"manage booking"| p10 p11["book reschedule or cancel"]:::task p10 --> p11 jn{"○ reply ready"}:::gate p01 --> jn p11 --> jn jn --> s1 out[/"appointment updated and question answered"/]:::out pay{{"faster service without extra staff time"}}:::pay s1 --> 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