Domains: Flights_23

user: I need a one-way plane ticket.

system: Where do you want to go?

user: I need one ticket to Toronto, Ontario.

system: Okay, where would you be flying from?

user: I'd fly from Philadelphia.

system: When would you like to go?

user: This Saturday please. Oh, actually, change that to 3 tickets.

system: American Airlines has a flight this Saturday that takes off at 4:45 pm. It has 1 stop and costs $160. How does that sound?

user: That would be perfect! Thank you.

system: You're welcome. Have a great day!