You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: My name Raymond Brown, I want to cancel my recent reservation.

ASSISTANT: Sure, Please wait for a while.

USER: OK, I will wait.

ASSISTANT: Thank you for waiting. Sorry,There is no reservation found on your name.

USER: OK, Thank you for information.

ASSISTANT: Thank you, Have a nice day.