You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of service are you looking for?

USER: I am Kathleen Miller. I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: There is no reservation found on your name to cancel.

USER: No problem, thanks for your information.

ASSISTANT: Thank you.