generate response: That sounds great! Could you book me a table for 8 people at 14:45 on Tuesday, please?. Intent: book_restaurant. Slots: restaurant-area=centre, restaurant-bookday=tuesday, restaurant-bookpeople=8, restaurant-booktime=14:45, restaurant-food=gastropub, restaurant-pricerange=moderate
Response: Unfortunately, that day and time are unavailable. Would you like to try a different day or time, or perhaps a different restaurant?