AI voice assistant that answers calls and knows when to transfer them

flowchart TD trig>"incoming phone call"]:::trig s0["caller message received"]:::task s1["ai generates response"]:::task s2["check transfer or end"]:::task s3["send response to caller"]:::svc trig --> s0 s0 --> s1 s1 --> s2 gx{"× transfer or end call"}:::gate s2 --> gx p00["flag call for transfer"]:::task gx -->|"needs human"| p00 p10["end the call"]:::task gx -->|"call finished"| p10 p00 --> s3 p10 --> s3 lp{"caller ends or is transferred"}:::gate s3 --> lp lp -. "conversation continues" .-> s0 lp -->|"finished"| out out[/"call transferred or ended appropriately"/]:::out pay{{"frees staff from routine calls"}}:::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