You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, may I know your name?

USER: Myself Nancy Anderson.

ASSISTANT: Thank you. Please wait, let me check your reservation status.

USER: Ok.

ASSISTANT: Sorry, I did not find any reservation by your name in our database.

USER: Not an issue. Thank you.

ASSISTANT: You are welcome and have a nice day.