You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Myself Jason Lewis. I want to cancel my flight ticket due to some problems I am unable to travel in flight so can you please cancel my reservation?

ASSISTANT: Sure, I am here to help you out. Please allow me a moment.

USER: Ok, thank you for your positive response.

ASSISTANT: Sorry Jason Lewis, there is no reservation on your name in our database.

USER: Oh! It's ok no problem.

ASSISTANT: Ok, thank you for reaching us.

USER: Thank you for your information.