Query: user: I would like to find a train.
assistant: What city do you plan to depart from?
user: I am planning to leave from NYC.
assistant: What city is your destination?
user: I am going to Chi-town.
assistant: When will you be departing on your trip?
user: We would like to board the train on the 9th of this month. We will need three seats.
assistant: There is a train departing at 6 am that will cost $305 in total.
user: What station does that train leave from?
assistant: The train leaves from Grand Central Station.
user: That sounds good, I would like to book tickets for that train.

Intent: Trains:GetTrainTickets