AI WhatsApp assistant that answers text and voice questions

flowchart TD trig>"customer sends whatsapp message"]:::trig s0["check message type"]:::task s1["look up answer in knowledge base"]:::svc s2["draft on-brand reply"]:::task s3["send reply on whatsapp"]:::svc trig --> s0 s1 --> s2 s2 --> s3 gx{"× text or voice message"}:::gate s0 --> gx p00["use text as is"]:::task gx -->|"text message"| p00 p10["transcribe voice to text"]:::task gx -->|"voice message"| p10 jn{"○ continue as text"}:::gate p00 --> jn p10 --> jn jn --> s1 out[/"instant accurate reply sent"/]:::out pay{{"24/7 support without extra staff"}}:::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