generate response: Is there a way you can contact the restaurant and try the booking again for 15:15 on Thursday for 1 person?. Intent: book_restaurant. Slots: restaurant-area=east, restaurant-bookday=thursday, restaurant-bookpeople=1, restaurant-booktime=15:15, restaurant-food=international, restaurant-name=the missing sock, restaurant-pricerange=cheap
Response: Unfortunately, that time is also unavailable.