You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, may I know your name please?

USER: Myself Catherine Green.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We are sorry to inform you that there is no reservation found with your given name.

USER: No issue, anyway thank you for checking.

ASSISTANT: Thank you.