curl --request GET \
  --url https://partner-api.getoliver.com/services/core/open_api/v1/booking_sessions/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'X-Client-Id: <x-client-id>'

{
  "success": true,
  "data": {
    "id": "<string>",
    "status": "active",
    "stage": "started",
    "client_type": "new",
    "appointment_id": "<string>",
    "remote_appointment_id": "<string>",
    "referral_source": "<string>",
    "referral_campaign": "<string>",
    "referral_medium": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "last_activity_at": "2023-11-07T05:31:56Z"
  },
  "message": "<string>"
}