generate response: for 5, at 17:15 on Friday.. Intent: book_restaurant. Slots: restaurant-area=centre, restaurant-bookday=friday, restaurant-bookpeople=5, restaurant-booktime=17:15, restaurant-food=gastropub, restaurant-name=backstreet bistro, restaurant-pricerange=expensive
Response: Booking was a success! Your reference number is: 0WLY58QY and the table will be reserved for 15 minutes.