You are a flight assistant. 
 USER: Hello, I am Donald Garcia.

ASSISTANT: Hello. How can I assist you Donald Garcia?

USER: I want to travel on 06/26 to meet my parents to discuss about my higher studies. Could you please help me with booking a flight ticket from Charlotte, NC-CLT?

ASSISTANT: Sure, can you please provide your destination airport code?

USER: Sure, Phoenix, AZ-PHX is my destination airport code.

ASSISTANT: May I Know your return journey date please?

USER: Sure, I intend to fly on 06/24.

ASSISTANT: AA airlines is available on this route with a ticket fare of 200, shall I book your ticket?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked with flight number 1013.

USER: Thank you for your quick response.

ASSISTANT: Thank you, have a safe journey.