generate response: Caffe Uno sounds good. Could you book a table for 5 people at 19:30 on monday?. Intent: book_restaurant. Slots: restaurant-area=centre, restaurant-bookday=monday, restaurant-bookpeople=5, restaurant-booktime=19:30, restaurant-food=italian, restaurant-pricerange=expensive
Response: It is unavailable for that time. Would you like to try another time or place?