generate response: I'd like to leave on Friday and arrive by 20:30.. Intent: find_train. Slots: train-arriveby=20:30, train-day=friday, train-departure=cambridge, train-destination=norwich
Response: Alright, you have plenty of options. The first train available leaves at 5:36, and they run every hour until 18:36. Would you like to book one of these trips?