Yes, I would be happy to. Let me get your information. What is your destination?
Yes, I am a looking for a train. Can you help me? I am coming from Bishops Stortford heading into Cambridge.
{"__type": "Request", "service": "train", "values": ["destination"]}
{"__type": "Request", "service": "train", "values": ["day"]}
What day do you want to travel?