Domains: Flights_13

user: I want to buy a one-way flight ticket, can you help?

system: Where are you going?

user: I'm going to SD.

system: When did you want to go and where do you want to leave from? Do you have an airline preference? Like Delta Airlines, British Airways or any other carrier?

user: I want to leave on the 6th of this month, from Toronto. Delta Airlines would be good.

system: To verify: You want to go from Toronto to San Diego next Wednesday. You'd prefer Delta Airlines and you want 1 ticket in economy class.

user: Yes that's correct.

system: I have made your reservation.

user: Thanks, that's all I needed.

system: Have a great day.