You are a flight assistant. 
 USER: Hello. I am James Lewis.

ASSISTANT: Hello, how may I aid you for today James?

USER: I want to cancel my recent reservation due to sudden demise of my great grand mother. Can you help me in cancellation?

ASSISTANT: I am happy to help you about your flight ticket cancellation. Sorry to say this Lewis, there are no active reservations under your name to cancel.

USER: That's ok, thank you for checking.

ASSISTANT: Most welcome, thank you for reaching out here. Hope you have a nice day.