You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: Due to the sudden demise of my grandfather, I need to cancel my recent reservation. Can you assist me in cancellation?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Brian Moore, is my name.

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

USER: Ok, not an issue.

ASSISTANT: Thank you for choosing us.

USER: Thanks for the assistance.