You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Rachael Evans. I need to cancel my recent reservation due to floods occurred in our city. Could you please help me in doing that?

ASSISTANT: Sure, please give me a moment, let me check and back to you.

USER: Ok.

ASSISTANT: Sorry to inform, there is no reservation found on your given name.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for choosing us.