generate response: Excellent. Book it for 3 people at 18:15 on thursday.. Intent: book_restaurant. Slots: restaurant-area=centre, restaurant-bookday=thursday, restaurant-bookpeople=3, restaurant-booktime=18:15, restaurant-food=indian, restaurant-name=curry garden, restaurant-pricerange=expensive
Response: I'm sorry, there are no open reservations for that day and time. Would you like to choose a different time or day?