You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Paul Miller. I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, please wait for a while.

USER: Sure, take your time.

ASSISTANT: No reservation found on your name to change.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you.

USER: You are welcome.