Query: user: Hey, I need to go on a short trip. Find me tickets for the 6th of this month. I'll need one seat on business class.
assistant: Where will you be leaving from and what's your destination?
user: I'm leaving from Vancouver to Portland.
assistant: I found 8 trains that could work. There's one departing at 6:50 am with a $117 ticket.
user: In which station does it arrives at?
assistant: It arrives at Union Station.
user: Sounds real good.
assistant: Should I book the tickets?
user: Yes, please do.

Intent: Trains:GetTrainTickets