You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I support you today?

USER: I am George Davis. I want to cancel my reservation, due to my health issues. Could you help me in cancellation?

ASSISTANT:  Sure, we are gleeful to help you for cancellation. Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us, Have a blissful day!.