generate response: How about 4 nights?. Intent: book_hotel. Slots: hotel-area=north, hotel-bookday=wednesday, hotel-bookpeople=4, hotel-bookstay=4, hotel-internet=yes, hotel-name=acorn guest house, hotel-parking=dontcare, hotel-pricerange=dontcare, hotel-stars=4
Response: That is available. Reference number is : O0JPM8F0 .