generate response: I haven't the faintest. But do you have a reference number for the booking you made?. Intent: book_hotel. Slots: hotel-area=centre, hotel-bookday=wednesday, hotel-bookpeople=5, hotel-bookstay=4, hotel-name=university arms hotel, hotel-pricerange=expensive, hotel-stars=4
Response: 8L6LVYYT is your reference number.