You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please let me know how may I aid you?

USER: I want to modify my destination airport code because the place where I have to go is not near to that destination airport. Can you please help me to change the details?

ASSISTANT: Sure, I am happy to help you with that.

USER: Thank you for considering my request.

ASSISTANT: May I know your name to check your ticket status?

USER: Ok, I am Ashley Baker.

ASSISTANT: Ok, please give me a minute.

USER: Sure, take your time.

ASSISTANT: Sorry to intimate you that, I have not found any reservation under your name to change the details.

USER: That's fine, no problem. Anyway's thank you for your information.

ASSISTANT: You are most welcome. Thank you for approaching our agency.