You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation due heavy rain fall and flood in my area, can you please help?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, my name is Christopher Moore.

ASSISTANT: Ok, please wait. Thank you for waiting, sorry we didn't find any reservation on your name.

USER: It's ok, thank you for your information.

ASSISTANT: Thank you for opting us, have a nice day.