generate response: How about at 14:45?. Intent: book_restaurant. Slots: restaurant-area=north, restaurant-bookday=saturday, restaurant-bookpeople=8, restaurant-booktime=14:45, restaurant-food=dontcare, restaurant-name=royal spice, restaurant-pricerange=cheap
Response: I've booked it for that day on Saturday. Reference number 9PVIPW1Y . Anything else?