You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Richard Garcia.

ASSISTANT: Garcia, how may I guide you?

USER: I want to book a ticket from Dallas and Fort Worth, can you please help me ?

ASSISTANT: Sure, can you please share me your nearest airport source codes?

USER: My preferable airport codes are DFW to DFW.

ASSISTANT: When you are willing to travel?

USER: I have planned to start my journey on 01/30 and return back on 02/01.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait.

ASSISTANT: There is a flight with Frontier airlines and the ticket cost is 100 only. Would you like to book the ticket then?

USER: If it is a connecting flight, you can proceed with that booking.

ASSISTANT: Ok, your ticket is booked with the flight-1024.

USER: Thank you for your help in booking the flight ticket.

ASSISTANT: You are welcome, thank you very much for contacting us.