You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, Pamela Perez is my name.

ASSISTANT: Ok, wait for a moment please.

USER: Sure.

ASSISTANT: Sorry Perez, there is no reservation found as per your name to cancel it.

USER: Ok, no problem. Thank you.

ASSISTANT: You are welcome.