generate response: Yes, please provide the me the reference number for the reservation.. Intent: book_restaurant. Slots: restaurant-area=west, restaurant-bookday=wednesday, restaurant-bookpeople=4, restaurant-booktime=15:15, 3:15, restaurant-food=indian, restaurant-name=tandoori palace, restaurant-pricerange=expensive
Response: All booked! The reference number is O9WM39XJ .