AI-powered WhatsApp support that hands off to a human when needed

flowchart TD trig>"customer sends message"]:::trig s0["Read knowledge base"]:::task s1["AI answers customer"]:::task s2["Pause if human replies"]:::task trig --> s0 s0 --> s1 gx{"× does a human reply"}:::gate s1 --> gx p00["Pause AI two hours"]:::task gx -->|"Human replies"| p00 p10["AI keeps answering"]:::task gx -->|"No human reply"| p10 jn{"1st first to resume wins"}:::gate p00 --> jn p10 --> jn jn --> s2 lp{"two hour timer expires"}:::gate s2 --> lp lp -. "AI resumes after timeout" .-> s1 lp -->|"finished"| out out[/"Instant reply with human handoff"/]:::out pay{{"Fast support without losing human touch"}}:::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