You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Brandon Phillips here. I need to cancel my recent reservation which I have done earlier . Can you please help me out in cancelling my flight ticket?

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: We did not find any reservation on your given name in our data base.

USER: Ok, not a problem.

ASSISTANT: Thank you for choosing us.

USER: Thanks for the information.