You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Due to some issues in my location, can you modify my reservation please?

ASSISTANT: Sure, can I know your name please?

USER: Myself Anthony Edwards.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Sorry Anthony, there is no reservation found on your name.

USER: That's ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Welcome. Thank you for your help.