Query: user: I need to find a train, can you help me search for one?
assistant: Which cities are you departing from and going to?
user: I will need tickets from NYC to Chi-town.
assistant: What date are you leaving?
user: I would like tickets for the 1st of March, please.
assistant: There are 7 trains that meet your travel criteria. There is a train departing at 7:30 am with a total ticket price of $114.
user: What stations does the train leave from and arrive in?
assistant: The train departs from Chicago Union Station, and arrives in Grand Central Station.
user: Are there any other trains?
assistant: There is a train departing at 8 am with a total ticket price of $118.
user: That train sounds good. I would like to book a ticket for it.

Intent: Trains:GetTrainTickets