Certainly, there are lots of trains available. Which day would you like to travel? Train TR5298 leaves at Bishops Strotford at 17:29 and arrives in Cambridge at 18:07. Would you like to book this trip?
I want to book an evening train from Bishops Strotford to Cambridge. Sunday please. I'd like to leave after 16:30. Yes, let's book it for four, please. May I have a reference number?
{"__type": "Inform", "entity": {"__type": "Train", "arrive by": "18:07", "departure": "Bishops Strotford", "destination": "Cambridge", "leave at": "17:29", "trainid": "TR5298"}} {"__type": "Confirm", "entity": {"__type": "Train"}}
{"__type": "NotifySuccess", "service": "entity"} {"__type": "NotifySuccess", "service": "train", "entity": {"__type": "Train", "leave at": "17:29", "ref": "ZIHX30RA"}}
Alright, I've got 4 tickets booked leaving at 17:29. Your reference number is ZIHX30RA .