You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Janet Allen here. I want to cancel my ticket as I am sick.

ASSISTANT: Sure, I am here to help you in ticket cancellation.

USER: Ok.

ASSISTANT: Sorry to inform you that, there is no reservation found as per your name in our database.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us with a query.