200 OK — session open
> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_018r3fyc 21ms POST /ai/v1/search {} Idempotency-Key: Pv-tC6ElLoWK Send ▶> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_018r3fyc 21ms POST /ai/v1/search {} Idempotency-Key: Pv-tC6ElLoWK Send ▶