200 OK — session open
> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_001l1flc 25ms POST /ai/v1/search {} Idempotency-Key: rc-v1P0MMLEG Send ▶> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_001l1flc 25ms POST /ai/v1/search {} Idempotency-Key: rc-v1P0MMLEG Send ▶