Query: user: I have a trip coming up to see my family. Could you please find me oneway flights?
assistant: Where would you like to be leaving from and when do you plan to leave?
user: I am leaving from Seattle, I plan to leave on March 10th.
assistant: Where are you planning to visit?
user: I am planning to visit Portland, OR.
assistant: I found 1 suitable flight for you: there is a United Airlines flight outbound at 4:15 am with 0 layovers. The price of the ticket is $75.
user: I was wondering when does the flight arrive? Which airport will the flight depart from?
assistant: The flight departs from Seattle-Tacoma International Airport. The onward flight arrives at 5:13 am.
user: The flight sounds good to me. I feel like travelling soon. Can you assist with the purchase of a one way flight ticket?

Intent: Flights:ReserveOnewayFlight