You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Due to some personal problems, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: My name is Elizabeth Johnson.

ASSISTANT: Please wait for a mean while.

USER: Sure.

ASSISTANT: Sorry Johnson, there is no reservation found as per your name to cancel your reservation.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: You are welcome and have a great day.