You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I need to cancel my recent reservation .Can you help me?

ASSISTANT: Sure, May I know your name?

USER: Raymond Allen is my name.

ASSISTANT: Wait a moment I will check it and let you know.

USER: OK.

ASSISTANT: Sorry to tell that there is no reservation on your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for approaching us.