What day and time do you want to depart?
I need help finding a train that departs from Leicester. Saturday, but I can't leave until that night after 21:30.
{"__type": "Request", "service": "train", "values": ["day", "leave at"]}
{"__type": "Inform", "entity": {"__type": "Train", "arrive by": "23:54", "day": "Saturday", "destination": "Cambridge", "leave at": "22:09", "trainid": "TR0974"}} {"__type": "Confirm", "entity": {"__type": "Train"}}
TR0974 leaves Saturday at 22:09 and arrives in Cambridge at 23:54. Would you like to purchase a ticket?