Query: user: Can you help me find return flights for my trip?
assistant: Absolutely. When and where are you leaving from?
user: I'm leaving Philadelphia Monday next week and I'm going to Washington. There's 3 of us so can you look for 3 tickets?
assistant: Sure. When are you coming back?
user: March 9th
assistant: Okay, I've found an American Airlines flight for $148. It leaves at 9:45 am and returns at 5:10 pm. How does that sound?
user: Which airport does it leave from?
assistant: It leaves from PHL International Airport
user: Cool. when does the return flight arrive, and do you know if the ticket is refundable?

Intent: Flights:SearchRoundtripFlights