Where are you looking to depart from? There are two trains an hour leaving peterborough all evening. Do you know what time you plan to leave?
I need to what trains are leaving Friday evening. I'm leaving from Peterborough. Not really. I want to get there by 20:45 though.
{"__type": "Inform", "entity": {"__type": "Train", "choice": "two trains an hour", "departure": "peterborough"}} {"__type": "Request", "service": "train", "values": ["leave at"]}
{"__type": "Inform", "entity": {"__type": "Train", "arrive by": "19:09", "departure": "Peterborough", "destination": "Cambridge", "leave at": "18:19", "trainid": "TR4182"}} {"__type": "RequestAlternatives"}
TR4182 leaves Peterborough at 18:19 and arrives in Cambridge at 19:09. Will this work for you?