Website chatbot that answers questions and books meetings

flowchart TD trig>"visitor sends chat message"]:::trig s0["receive visitor message"]:::task s1["classify what visitor needs"]:::svc trig --> s0 s0 --> s1 gx{"× what does visitor need"}:::gate s1 --> gx p00["check calendar availability"]:::task gx -->|"book meeting"| p00 p01["book meeting"]:::task p00 --> p01 p10["search knowledge base"]:::task gx -->|"answer question"| p10 p11["reply with answer"]:::task p10 --> p11 p20["create support ticket by email"]:::task gx -->|"escalate to human"| p20 p01 --> out p11 --> out p20 --> out out[/"answered booked or routed"/]:::out pay{{"round the clock visitor coverage"}}:::pay 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