200 OK — session open
> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_01sz154v 55ms POST /ai/v1/search {} Idempotency-Key: JNKAiO3-0Paq Send ▶> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_01sz154v 55ms POST /ai/v1/search {} Idempotency-Key: JNKAiO3-0Paq Send ▶