You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my reservation due to emergency at my place. Can you please help me?

ASSISTANT: May I know your name for cancellation?

USER: My name is Nancy Phillips.

ASSISTANT:  Please wait I will revert you in a moment.

USER: Sure.

ASSISTANT:  Sorry to inform you that no reservation was found on your name in our data base.

USER: No problem, thank you for information.

ASSISTANT:  Thank you for availing us.