Automatically book appointments over the phone with an AI voice agent

flowchart TD trig>"customer calls to book"]:::trig s0["AI agent collects booking details"]:::task s1["check calendar for open slots"]:::svc s2[("appointment added to calendar")]:::store trig --> s0 s0 --> s1 gx{"× is a slot immediately chosen"}:::gate s1 --> gx p00["present time options"]:::task gx -->|"offer available times"| p00 p10["confirm appointment time"]:::task gx -->|"book directly"| p10 jn{"○ appointment confirmed"}:::gate p00 --> jn p10 --> jn jn --> s2 out[/"appointment booked on calendar"/]:::out pay{{"no missed bookings after hours"}}:::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