Book, pay for, and remind patients about appointments over WhatsApp

flowchart TD trig>"patient messages to book"]:::trig s0["Interpret booking request"]:::task s1["Update appointment record"]:::task s2[["Send daily appointment reminders"]]:::mi trig --> s0 s1 -->|"one per each appointment today"| s2 gx{"× book reschedule or cancel"}:::gate s0 --> gx p00["Check available slots"]:::task gx -->|"Book new appointment"| p00 p01["Confirm slot with patient"]:::task p00 --> p01 p10["Find new slot"]:::task gx -->|"Reschedule appointment"| p10 p11["Update booking time"]:::task p10 --> p11 p20["Remove booking from schedule"]:::task gx -->|"Cancel appointment"| p20 jn{"○ appointment record updated"}:::gate p01 --> jn p11 --> jn p20 --> jn jn --> s1 out[/"booked and paid appointment"/]:::out pay{{"fewer no-shows less manual scheduling"}}:::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