You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Christopher Perez, please help me with cancelling my reservation due to sudden demise of my grand mother.

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, There was no reservation found on your name.

USER: That's fine, thanks for the information.

ASSISTANT: Thank you for opting us.