You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Kimberly Hernandez. I have to change my travel airport codes because I have given a airport code which is far to my current location. So, I need your help. Will you please help me in changing the details?

ASSISTANT: Ok, please wait I will revert you in a moment.

USER: Ok.

ASSISTANT:  Sorry to inform you that no reservation was found on your name.

USER: No issue.

ASSISTANT:  Thank you for availing us.