generate response: Please for Wednesday at 14:45.. Intent: book_train. Slots: restaurant-area=south, restaurant-bookday=wednesday, restaurant-booktime=14:45, restaurant-food=chinese, restaurant-name=the lucky star, restaurant-pricerange=cheap, train-arriveby=17:45, train-bookpeople=7, train-day=wednesday, train-departure=cambridge, train-destination=birmingham new street
Response: How many people will be in your party?