Domains: Flights_13

user: Search flight for four people to SF.

system: What is the departure city? when is the departure and the arrival back?

user: I would like economy tickets to Ciudad De mexico for 3rd of this month and back on March 12th

system: There is a American Airlines flight which leaves at 2:55 pm and the return flight is at 1:20 pm, costing $156

user: Is there any other option

system: There is an United Airlines flight which leaves at 8:45 pm and the return flight is at 9:15 am, costing $235

user: ok, thats good

system: should i buy the tickets?

user: No, please find me oneway tickets

system: There is an 1 stop United Airlines flight which leaves at 8:45 pm and, costing $215

user: What time is the outward flight and from which airport?

system: The onward flight arrives at 11:45 pm and departs from Benito Juarez International airport

user: Thats good for me

system: Have a good day