You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my reservation due to heavy floods at my destination place, so please help me to cancel.

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is Nancy Edwards.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: No problem, thanks for your support.

ASSISTANT: Thank you for opting us.