ShoppingResponseID - SeatAvailability

Each SeatAvailability response is given a unique ID to be referenced in subsequent messages.

NAME	DESCRIPTION	FORMAT	ALLOWED/POSSIBLE VALUES
ResponseID	Id of the response	Alpnanumeric	Any

<ShoppingResponseID>
	<ResponseID>IB096ccf6b91bb48a08e678f7d0c8adaf6OC</ResponseID>
</ShoppingResponseID>