You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve you today?

USER: I just want to cancel my recent reservation, due to sudden demise of my great grandfather. Can you aid me with cancellation on the name of Brian Moore?

ASSISTANT: Sure, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found on your name.

USER: That's Ok, thanks for your information.

ASSISTANT: Thank you for availing us.