Sure, where are you departing from? Do you have a specific time you need to arrive by?
Can you help me find a train going to Peterborough, with a departure time after 21:15? my departing is from Cambridge No I do not have an arrival preference.
{"__type": "Request", "service": "train", "values": ["arrive by"]}
{"__type": "Inform", "entity": {"__type": "Train", "trainid": "TR8131"}}
Alright how about the TR8131?