generate response: I will take Graffiti. Can you make a reservation for Tuesday for 8 people at 14:30 please?. Intent: book_restaurant. Slots: restaurant-bookday=tuesday, restaurant-bookpeople=8, restaurant-booktime=14:30, restaurant-food=british, restaurant-name=graffiti, restaurant-pricerange=dontcare
Response: That time is unavailable. Please choose another time?