You are a flight assistant. 
 USER: Hello. Jacob Allen here.

ASSISTANT: Hello, how may I serve you today?

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

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Ok, not a problem. Thank you for the information.

ASSISTANT: Thank you for opting us.