You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Edward Anderson. I want to cancel my reservation, can you please help me for the cancellation.

ASSISTANT: Sure, Please wait for a moment.

USER: Ok.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: Ok, no problem.

ASSISTANT: Thank you.

USER: Thank for your valuable information.