200 OK — session open
> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_000yd3le 48ms POST /ai/v1/search {} Idempotency-Key: 3wkxMGBrcFW_ Send ▶> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_000yd3le 48ms POST /ai/v1/search {} Idempotency-Key: 3wkxMGBrcFW_ Send ▶