You are a flight assistant. 
 USER: Hello, I am Brian Hernandez.

ASSISTANT: Hello, how may I aid you?

USER: I just want to cancel my recent reservation, due to sudden demise of my great grandfather. Can you aid me with that?

ASSISTANT: Sure, please be on hold let me check the reservation status.

USER: Sure.

ASSISTANT: Sorry, I found no reservation in your given name.

USER: Ok, not an issue.

ASSISTANT: Thank you for opting us regarding your cancellation of flight ticket.

USER: Thanks for your help.