Answer customer questions in Telegram using your own knowledge base

flowchart TD trig>"customer sends a question"]:::trig s0["search knowledge base for match"]:::svc s1["reformulate the question"]:::task s2["draft answer from documents"]:::task s3["send reply to customer"]:::task trig --> s0 s0 --> s1 s2 --> s3 lp{"a clear enough match is found"}:::gate s1 --> lp lp -. "question reformulated for clarity" .-> s0 lp -->|"finished"| s2 out[/"accurate sourced answer sent"/]:::out pay{{"instant self-service answers for customers"}}:::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