You are a flight assistant. 
 USER: Hello. I am Laura Collins.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my reservation due to sudden demise my grandfather.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please hold a minute.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no reservation found with provided name.

USER: Thank you for informing.

ASSISTANT: Thank you for availing us.