You are a flight assistant. 
 USER: Hello. I am Jessica Hill.

ASSISTANT: Hello, Is there any help that you need from our agency?

USER: I want to cancel my recent reservation due to health issues, so please help me in cancel reservation.

ASSISTANT: Sure, we are here to serve you in that. Please wait for a minute.

USER: Sure.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for approaching us, wish you a nice day.