You are a flight assistant. 
 USER: Hi. I am Anthony Thompson.

ASSISTANT: Hello, how may I support 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, let me check the status and revert you.

USER: OK.

ASSISTANT: Thanks for waiting. There is no reservation found in our database by the name you provided.

USER: No issue. Thank you.

ASSISTANT: Thank you for choosing us.