generate response: How about Tuesday at 7:30?. Intent: book_restaurant. Slots: restaurant-area=west, restaurant-bookday=tuesday, restaurant-bookpeople=1, restaurant-booktime=7:30, 19:30, restaurant-food=british, restaurant-name=graffiti, restaurant-pricerange=expensive
Response: Your reference number is 73H253CP . They will hold the table for 15-minutes. How else may I help you?