You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

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 here to help you out with that.

USER: Thank you.

ASSISTANT: Can you please share your name to check your reservation status?

USER: Alexander Edwards here.

ASSISTANT: Ok, please give me a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name in our records.

USER: Not a big issue, anyhow thank you very much for checking the reservation status.

ASSISTANT: Thank you for reaching us.