generate response: That's fine. Can you try booking it?. Intent: book_restaurant. Slots: restaurant-area=centre, restaurant-bookday=sunday, restaurant-bookpeople=2, restaurant-booktime=13:30, restaurant-food=chinese, restaurant-name=lan hong house, restaurant-pricerange=dontcare
Response: I'm sorry, but I wasn't able to book the restaurant for that date and time. Would you like to try a different time?