You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I just want to cancel my recent reservation due to sudden dismissal of my great grand mother.

ASSISTANT: Sure, Please wait a moment.

USER: I am Elizabeth Young, can you please check?

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you, have a nice day.

USER: Thank you.