200 OK — session open
> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_01ml4v5p 27ms POST /ai/v1/search {} Idempotency-Key: _9JeuiBEc8bk Send ▶> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_01ml4v5p 27ms POST /ai/v1/search {} Idempotency-Key: _9JeuiBEc8bk Send ▶