generate response: That sounds perfect. Can you book me a table for 3 on Thursday at 18:45?. Intent: book_restaurant. Slots: restaurant-area=centre, restaurant-bookday=thursday, restaurant-bookpeople=3, restaurant-booktime=18:45, restaurant-food=italian, restaurant-name=zizzi cambridge, restaurant-pricerange=cheap
Response: I was unable to book at that time. would you like to try another time?