Domains: Flights_23

user: I'm searching for round trip flights.

system: Departure and arrival city? Date of return flight?

user: Flying from Phoenix to Los Angeles and returning the 13th of this month.

system: Date of departure?

user: The 9th of this month.

system: How about American Airlines, there's a flight leaving 7:35 am and returning 7:50 am for $95.

user: Anything else?

system: There's a Delta Airlines flight leaving 12:15 pm and returning 3:05 pm for $176.

user: From which airport?

system: Departing Sky Harbor International Airport.

user: Ok, that's all for now.

system: Have a nice day.