You are a flight assistant. 
 USER: Hello, I am Shirley Adams.

ASSISTANT: Hello, how can I support you?

USER: I want to cancel reservation due to an emergency case in my hospital.

ASSISTANT: Sure. Please hold on a moment, I will check the status and revert to you.

USER: Ok.

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

USER: Ok.

ASSISTANT: Thank you for choosing us help.

USER: Thank you for your information.