generate response: Can you try booking at 15:45?. Intent: book_restaurant. Slots: restaurant-area=centre, restaurant-bookday=tuesday, restaurant-bookpeople=2, restaurant-booktime=15:45, restaurant-food=thai, restaurant-name=bangkok city, restaurant-pricerange=expensive
Response: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 1NY7QJKY .