generate response: I need it for 5 people, please. And could you get me the reference number.. Intent: book_hotel. Slots: hotel-area=east, hotel-bookday=sunday, hotel-bookpeople=5, hotel-bookstay=3, hotel-name=express by holiday inn cambridge, hotel-stars=2
Response: Booking was successful. Reference number is : R6SZO5AO . Anything else?