generate response: I would like to leave on Sunday and arrive by 17:15.. Intent: book_train. Slots: train-arriveby=17:15, train-bookpeople=2, train-day=sunday, train-departure=cambridge, train-destination=stansted airport
Response: There is a train: TR8363 that arrives at the airport by 17:08. How many people are traveling with you? Would you like me to book it?