200 OK — session open
> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_01dcbhts 80ms POST /ai/v1/search {} Idempotency-Key: nbautF0Z7XXX Send ▶> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_01dcbhts 80ms POST /ai/v1/search {} Idempotency-Key: nbautF0Z7XXX Send ▶