You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Owing an emergency, I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, I am gleeful to help you with that.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Deborah White.

ASSISTANT: Please wait for a while, let me check your previous reservation status.

USER: Sure, I will wait for your information.

ASSISTANT: Deborah White, there is no active reservation found on your name in our reservation list to cancel.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for contacting us, have a great day.