Great, what time are you thinking? From where will you depart? Would you like to leave at 19:00?
I'm hoping to catch a train to London Kings Cross. I need to leave after 19:00. I will be departing from cambridge. Anytime after that would be great. I also need tickets for 5 people.
{"__type": "Request", "service": "train", "values": ["leave at"]}
{"__type": "Request", "service": "train", "values": ["day"]}
What day would you like to travel?