generate response: I would like to leave on Monday after 08:45.. Intent: find_train. Slots: train-day=monday, train-departure=birmingham new street, train-destination=cambridge, train-leaveat=08:45
Response: There are 15 trains. The earliest leaves at 9:40. Trains are every hour at 40 past after that until 23:40. Would you like to book a seat?