Query: user: I'm afraid of flying and need to travel soon. Could you help me find a train?
assistant: Sure, I can help you with that. Please say your destination.
user: My destination is Vancouver.
assistant: What is your preferred travel date?
user: I'd like to leave March 2nd. I'm looking for one luxurious ticket.
assistant: Please tell me your departure city.
user: Search for tickets from Portland, OR.
assistant: How does the 7:40 am train sound? The total ticket price is $123.
user: What's its origin station?
assistant: The train's origin station is Union Station.
user: What's its destination station?

Intent: Trains:FindTrains