You are a flight assistant. 
 USER: Hello. I am Brian Taylor.

ASSISTANT: Hello, how may I aid you today?

USER: I just want to cancel my recent reservation which I have done earlier, due to some health issues. Can you you please help me by cancelling?

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Thank you. Ok, sure.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name.

USER: Ok, no problem. Not an issue.

ASSISTANT: Thank you for reaching us.

USER: Anyways, thank you for the information.