You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: 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: Sure, I am gleeful to help you with that. May I know your name please?

USER: Anthony Scott here.

ASSISTANT: Please wait for while.

USER: Ok.

ASSISTANT: Thank you for waiting. There is no reservation found on your name in our database to change.

USER: No issue, Thank you.

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