Book, reschedule, and cancel meetings through WhatsApp chat

flowchart TD trig>"WhatsApp booking message"]:::trig s0["read booking request"]:::task s1["check calendar availability"]:::svc s2["send confirmation to client"]:::task trig --> s0 s0 --> s1 gx{"× what action is requested"}:::gate s1 --> gx p00["create booking"]:::task gx -->|"book"| p00 p10["update booking time"]:::task gx -->|"reschedule"| p10 p20["cancel booking"]:::task gx -->|"cancel"| p20 jn{"○ confirm with client"}:::gate p00 --> jn p10 --> jn p20 --> jn jn --> s2 out[/"confirmed calendar booking"/]:::out pay{{"no manual scheduling back and forth"}}:::pay s2 --> 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