generate response: I am looking to book a table for 2 at 12:45 on Thursday at a thai restaurant.. Intent: find_train. Slots: restaurant-area=centre, restaurant-bookday=thursday, restaurant-bookpeople=2, restaurant-booktime=12:45, restaurant-food=thai, restaurant-pricerange=expensive, train-day=thursday, train-departure=cambridge, train-destination=london liverpool street, train-leaveat=21:30
Response: The only expensive Thai restaurant in the center, Bangkok City, doesn't have any availability at that time. Would you like to try something else?