generate response: May I have the reference number for the booking please?. Intent: book_hotel. Slots: hotel-area=west, hotel-bookday=wednesday, hotel-bookpeople=4, hotel-bookstay=5, hotel-name=huntingdon marriott hotel, huntingdon marriot, hotel-parking=yes, hotel-stars=4
Response: I apologize but the booking was unsuccessful, the hotel is booked. Do you want me to check one of the other hotels?