200 OK — session open
> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_0018rkf1 73ms POST /ai/v1/search {} Idempotency-Key: kwVKfFvAu5qJ Send ▶> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_0018rkf1 73ms POST /ai/v1/search {} Idempotency-Key: kwVKfFvAu5qJ Send ▶