Query: user: I need to find a train.
assistant: Where are you leaving from and where would you like to go?
user: I am leaving Seattle and going to Vancouver.
assistant: When would you like to go?
user: I want to travel on March 2nd.
assistant: I found 9 trains. One costs $57 and leaves at 6:20 am.
user: That will work.
assistant: Would you like me to reserve the tickets.
user: Yes I would. I am already all set on trip insurance.
assistant: How many tickets do you want?
user: I only need one train ticket.

Intent: Trains:GetTrainTickets