generate response: I need to go TO Broxbourne FROM Cambridge on Sunday, leaving any time after 9:15. Please check again with those details, please.. Intent: find_train. Slots: train-day=sunday, train-departure=cambridge, train-destination=broxbourne, train-leaveat=09:15
Response: I'm terribly sorry -- you are correct. There are trains every hour, at one minute past. There is a 10:01 train on Sunday, for example. Travel time is 60 minutes.