generate response: Okay, please book the train for 7 people on Saturday.. Intent: book_train. Slots: restaurant-area=centre, restaurant-bookday=saturday, restaurant-bookpeople=7, restaurant-booktime=19:15, restaurant-food=dontcare, restaurant-name=cotto, restaurant-pricerange=moderate, train-bookpeople=7, train-day=saturday, train-departure=peterborough, train-destination=cambridge
Response: Do you have a specific departure time or arrival time in mind before I book the train?