200 OK — session open
> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_0174f9z2 65ms POST /ai/v1/search {} Idempotency-Key: 5I7_g-AlCqq- Send ▶> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_0174f9z2 65ms POST /ai/v1/search {} Idempotency-Key: 5I7_g-AlCqq- Send ▶