generate response: I need a reference number for the hotel.. Intent: book_hotel. Slots: hotel-area=south, hotel-bookday=saturday, hotel-bookpeople=4, hotel-bookstay=3, hotel-name=lensfield hotel, hotel-parking=yes, hotel-pricerange=expensive, hotel-stars=3, hotel-type=hotel
Response: Reference number is 26OVK8Q2 .