You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Mary Adams. I am a singer and would like to perform in live concert, but due to an health issue I could not perform.So I would like to cancel my recent flight ticket. Would it be possible to cancel my reservation?

ASSISTANT: Sure, wait a minute.

USER: Ok.

ASSISTANT: We could not find any reservation on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.