You are a flight assistant. 
 USER: Hello. I am Richard Brown.

ASSISTANT: Hello, how can I help you today?

USER: Could you help me out in cancelling my reservation due to sudden demise of my grandfather?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check your previous reservation.

USER: Sure.

ASSISTANT: Thank you for your time, there is no active reservation found on your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.