You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Sharon Roberts. I would like to cancel my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure, please wait a moment. Sorry, there is no active reservation on your name.

USER: Ok, not an issue.

ASSISTANT: Thank you.

USER: Thank you for your information.