Query: user: I'm looking for a train
assistant: What is the city of arrival?
user: I want to go to Seattle
assistant: What is the city of departure? Which day do you want to leave?
user: I'm leaving from Portland, on 14th of this month
assistant: There's a train at 9:10 am that costs $66 in total
user: From which station does it start and in which station does it arrive?
assistant: The train leaves from Union Station and arrives at King Street Station
user: Is there a train from Vancouver?
assistant: There are 9 trains. There is one at 6:20 am that costs $58
user: Is there another train?
assistant: A train leaving at 6:40 am and costs $53
user: Yes, this is fine for me
assistant: Do I book a ticket?
user: Yes, please, with a trip insurance.
assistant: How many tickets do you want to book?
user: I need only one seats, thanks.

Intent: Trains:GetTrainTickets