Query: user: I need a good ticket to get out of Portland, OR.
assistant: When will you leave? Do you know your return date yet?
user: I'm taking off on the 4th of this month and will return on the 14th.
assistant: From whence will you depart?
user: LAX is my home Airport.
assistant: Try Alaska Airlines, they have a good deal. The flight leaves at 5:15 am. You'll get on your return plane at 10:10 am. The ticket for both legs is only $131.
user: That's a refundable ticket right? Which Airport will the plane arrive at?
assistant: Sorry, no refunds. You'll go to PDX International Airport.
user: What other options are there?
assistant: Let's try American Airlines. They have a flight that leave at 11:15 pm. They'll depart to come back at 6 am. It costs $181.
user: Isn't there something else? There are three of us. I need to leave Next Tuesday.
assistant: Well, there is a Southwest Airlines flight. It departs at 4:30 pm. That return leaves at 4:55 pm. The total on this is $141.
user: Ok, Lets lock in on that choice.
assistant: How about I go ahead and get your tickets for you?
user: No. Find a one-way flight. I want economy.
assistant: There is 1 option. It is out of Southwest Airlines. The outbound on that leaves at 4:30 pm. 0 layovers. Your cost is $140.
user: Where does that one leave from?
assistant: Lax International Airport is the port of exit.
user: What airport will that land in?
assistant: It's PDX International Airport.
user: That flight sounds good.

Intent: Flights:SearchOnewayFlight