You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please cancel my reservation, due to sudden demise of my Grandfather?

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Ok, may I know your name?

USER: This is Linda Young.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: Ok, no issue. Thank you.

ASSISTANT: Welcome, have a nice day.