Query: user: I need a train with economy premium ticket for 1 person on 6th of this month.
assistant: Which is your preferred city?
user: I wish to go to Portland.
assistant: From which do you want to go?
user: I need tickets from Vancouver, BC on 1st of March.
assistant: Starting at 6:50 am. The price is $91.
user: Is there any other options available?

Intent: Trains:FindTrains