200 OK — session open
> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_01l3sip9 60ms POST /ai/v1/search {} Idempotency-Key: lK5B0e9PtBcv Send ▶> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_01l3sip9 60ms POST /ai/v1/search {} Idempotency-Key: lK5B0e9PtBcv Send ▶