generate response: I need a train to stansted airport on Thursday that arrives by 19:30.. Intent: find_train. Slots: train-arriveby=19:30, train-day=thursday, train-departure=cambridge, train-destination=stansted airport
Response: Sure. Train TR5476 leaves Cambridge at 18:40 and arrives at Stansted Airport at 19:08. Would you like me to book that for you?