I can help! Several trains come here. Where are you departing from? TR9390 will leave at 16:24 and arrive by 16:52. Do you need to buy tickets now?
Please find me a train to Cambridge. Make sure it leaves after 15:45 I'm departing from stansted airport. Yes. Please book tickets for 8.
{"__type": "Inform", "entity": {"__type": "Train", "arrive by": "16:52", "leave at": "16:24", "trainid": "TR9390"}} {"__type": "Confirm", "entity": {"__type": "Train"}}
{"__type": "NotifySuccess", "service": "train", "entity": {"__type": "Train", "book people": "8", "ref": "3YRAS11J"}}
Okay, 8 tickets have been reserved! Your reference number is 3YRAS11J .