Query: user: I'm headed to Portland, OR pretty soon. Can you find me an economy round trip flight there?
assistant: What dates will you leave and return?
user: My one person group will leave on March 3rd and return on March 13th, preferably via United Airlines.
assistant: And where will you depart from?
user: From LA.
assistant: I did find you an United Airlines flight. It leaves at 11:40 am, returns at 11:50 pm, and a ticket costs $169.
user: Sounds good. Can you get me a ticket?

Intent: Flights:ReserveRoundtripFlights