You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Myself Debra Parker. I would like to change my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure, I am here to help you out.

USER: Thank you.

ASSISTANT: Please be on hold for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, we couldn't found any reservation on your name in our records.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.