generate response: I'll be heading into Cambridge on Friday, and I need to get there by 15:30.. Intent: find_train. Slots: train-arriveby=15:30, train-day=friday, train-departure=birmingham new street, train-destination=cambridge
Response: It looks like TR7040 would be your best bet. You will arrive by 14:23. Would you like me to book the train for you?