Query: user: I have to get a flight. I want to get out of Chi-town on Economy with Delta Airlines.
assistant: When do you want to go and what is your destination?
user: I need to get to Washington Friday next week please.
assistant: Do you want Delta Airlines on the 6:45 pm for $99?
user: Can you see what a train would cost me Next Tuesday, two seats, but I want fully refundable ones.
assistant: What about the train leaving at 6:20 am, for $249?
user: What about other trains?
assistant: Well, you could take the 11:50 am for just $224.
user: What is the terminating station there?
assistant: You're going to Union Station.
user: What about a different, more luxurious train?
assistant: Well, you could take the 12:50 pm, it costs $278.
user: What station does this end up at? What station will I depart from?
assistant: You're going from Chicago Union Station and going to Union Station.
user: Sounds fine, Get me train tickets with insurance please.

Intent: Trains:GetTrainTickets