200 OK — session open
> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_001igad2 76ms POST /ai/v1/search {} Idempotency-Key: 7qD6eH06xG8y Send ▶> POST /ai/v1/session {"source": "travelodge"}
< 200 OK req_001igad2 76ms POST /ai/v1/search {} Idempotency-Key: 7qD6eH06xG8y Send ▶