generate response: I need a table for 2 people on Monday at 14:30.. Intent: book_restaurant. Slots: restaurant-area=centre, restaurant-bookday=monday, restaurant-bookpeople=2, restaurant-booktime=14:30, restaurant-food=indian, restaurant-name=curry queen, restaurant-pricerange=expensive
Response: I'm sorry, a table isn't available. Perhaps a different day or time slot would work for you?