Book, reschedule and cancel meetings through a Telegram chat

flowchart TD trig>"meeting request sent in chat"]:::trig s0["parse request and dates"]:::task s1["check calendar for conflicts"]:::svc s2["apply calendar action"]:::task s3["send confirmation message"]:::task trig --> s0 s0 --> s1 s2 --> s3 gx{"× book reschedule or cancel"}:::gate s1 --> gx p00["create event"]:::task gx -->|"book meeting"| p00 p10["update event"]:::task gx -->|"reschedule meeting"| p10 p20["delete event"]:::task gx -->|"cancel meeting"| p20 jn{"○ continue to confirmation"}:::gate p00 --> jn p10 --> jn p20 --> jn jn --> s2 out[/"calendar updated with confirmation"/]:::out pay{{"manage schedule without switching apps"}}:::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