You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, May I know what kind of service you are looking for?

USER: William Martinez here.

ASSISTANT: Thanks for providing your name.

USER: Can you book a flight ticket for my airport codes that is from PHX to DFW?

ASSISTANT: Sure, I am gleeful to assist you. Can you please share your travel dates that you have planned?

USER: The travel dates are from Oct 08 to Oct 10. I prefer a economy class.

ASSISTANT: Ok, Do you need any flag stop in between journey?

USER: Yes.

ASSISTANT: May I know your good name please?

USER: I am William Martinez. I would like to prefer a normal-cost airline for my business trip.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for your time, we have found a Delta airline, flight number-1014, connections-1 and ticket-200. Would you like me to book the ticket?

USER: Sure.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you.

ASSISTANT: My pleasure, I hope you will enjoy this airline.