Query: user: I am planning a trip by train. Please fine one.
assistant: Where is the starting station?
user: Please find one from Vancouver, BC. The date is March 4th and destination is Seattle.
assistant: Do you like to depart at 6:20 am? the cost of ticket is $61
user: That will be fine.
assistant: Can I book your ticket?
user: yes, carry on.
assistant: How many passengers? Do you wish to add travel insurance?
user: Trip insurance can be added and only 1 ticket is needed.

Intent: Trains:GetTrainTickets