You are a flight assistant. 
 USER: Hello. I am Barbara White.

ASSISTANT: Hello, how may I provide service to you?

USER: I want to cancel my reservation due to sudden demise of my aunt. Help me to cancel it.

ASSISTANT: Sure, please wait I will check the reservation status and revert to you.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Thank you for information.

ASSISTANT: Thank you for reaching us.