generate response: I'd like to try Indian cuisine. I a table for three at 15:45 on Monday.. Intent: book_restaurant. Slots: restaurant-area=centre, restaurant-bookday=monday, restaurant-bookpeople=3, restaurant-booktime=15:45, restaurant-food=indian, restaurant-pricerange=expensive
Response: I can't seem to find a table that is available at that time. Would you be interested in trying a different day or a different time slot?