generate response: would i book a table for 1 people at 13:30 on saturday please?. Intent: book_restaurant. Slots: restaurant-area=centre, restaurant-bookday=saturday, restaurant-bookpeople=1, restaurant-booktime=13:30, restaurant-food=chinese, restaurant-pricerange=expensive
Response: I'm sorry, they don't have anything available then. Would you like me to try another day or time?