generate response: Actually I am departing from London Liverpool Street. I need a train to Cambridge on Tuesday that arrives by 8:15.. Intent: find_train. Slots: restaurant-area=south, restaurant-bookday=tuesday, restaurant-bookpeople=6, restaurant-booktime=11:30, restaurant-food=chinese, restaurant-name=peking restaurant, restaurant-pricerange=expensive, train-arriveby=08:15, 8:15, train-day=tuesday, train-departure=london liverpool street, train-destination=cambridge
Response: There is a train that gets in at 7:07. Would you like to purchase tickets?