generate response: how about 16:30 then?. Intent: book_restaurant. Slots: restaurant-bookday=thursday, restaurant-bookpeople=2, restaurant-booktime=16:30, restaurant-food=north american, restaurant-name=gourmet burger kitchen, restaurant-pricerange=expensive
Response: Perfect. Your table has been booked at 16:30 for 2 at the Gourmet Burger Kitchen. The reference number is 3377L9IJ .