You are a flight assistant. 
 USER: Hello, I am Joseph Taylor.

ASSISTANT: Hello,. How can I be of your assistance today?

USER: Could you please book a flight ticket from Atlanta to Phoenix on 07/13?

ASSISTANT: Sure, we are mirthful to aid you. When you want to catch your return flight from Phoenix?

USER: I want to return on 07/15.

ASSISTANT: To proceed with further booking I need your airport codes.

USER: My source and destination airport codes are GA - ATL, AZ - PHX.

ASSISTANT: Please, wait for while I will check for available flights on your route.

USER: Sure.

ASSISTANT: Thanks for waiting. The Spirit airline with flight number 1009 is available having the fare as 100 and a connection is 1. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Reservation is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a nice day!.