generate response: I would like to leave on Friday, after 10:30, please.. Intent: find_train. Slots: train-day=friday, train-departure=cambridge, train-destination=london liverpool street, train-leaveat=10:30
Response: There are several trains that might work for you. The earliest is TR1750, departing at 11:59 and arriving at 13:27. Would you like to book it?