Domains: Flights_13

user: I need a flight from Las Vegas

system: What is the destination? What is the departure date?

user: Phoenix on March 11th

system: Do you prefer United Airlines, Southwest Airlines or any other?

user: I prefer Delta Airlines. I need a refundable ticket

system: Flight from Las Vegas to Phoenix, with Delta Airlines; departure date March 11th, in Economy class, for 1 passenger. It's correct?

user: Yes, it is

system: Your flight is confirmed

user: Are there intermediate stops? What is the ticket cost?

system: 0 stops. The ticket costs $80

user: Thanks

system: Can I help you again?

user: No, thanks

system: Have a nice day