Query: user: I feel like going on a trip. Can you find me a one-way flight ticket?
assistant: Sure, where do you want to go?
user: I'd like to go to Las Vegas.
assistant: Ok, and when do you want to leave?
user: I'd like to leave next Tuesday.
assistant: Ok, and where would you be flying out from?
user: I'd be flying out from Chi-town. Any airline is fine.
assistant: Ok, I found an American Airlines flight with 1 stop for $267 that leaves at 4:30 am that day.
user: Can you see what there is that leaves from SF?
assistant: I found 4 options for that. There's a flight with Alaska Airlines with 0 stops for $96 that leaves at 8:15 pm.
user: Which airport does that leave from?
assistant: It would be flying out of SFO International Airport.
user: What airport does it arrive at, and is it refundable?
assistant: It would be landing at McCarran International Airport, and it is refundable.
user: What else is there?
assistant: There's also a Delta Airlines flight with 0 stops for $109 that leaves at 10:50 am.
user: That one sounds perfect.
assistant: Do you want me to buy you tickets?
user: No, not yet. Can you see what's available round trip that would return on March 7th?
assistant: There's a Delta Airlines flight for $116 that leaves at 10:50 am with a return flight at 10:50 pm.
user: What airport does it fly to?
assistant: It would land in McCarran International Airport.
user: Is the ticket refundable, and what time does the return flight land?
assistant: Unfortunately the ticket is not refundable. It would land at 0:25 am.
user: That one sounds fine.

Intent: Flights:SearchRoundtripFlights