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

ASSISTANT: Hello, how can I assist you Edward Brown?

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

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

USER: Ok, thank you.

ASSISTANT: Thanks for choosing us.