What day and time would you like to travel?
Can you help me take a train from Cambridge to Stansted Airport? I would like to travel saturday and leave after 21:00
{"__type": "Request", "service": "train", "values": ["arrive by", "day"]}
{"__type": "Inform", "entity": {"__type": "Train", "trainid": "TR2605"}} {"__type": "Confirm", "entity": {"__type": "Train"}}
The TR2605 train meets your criteria. Would you like to make a booking?