You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my reservation as I have some personal work at home, so please help me to cancel.

ASSISTANT: Ok, please provide me your name?

USER: My name is Dorothy Nelson.

ASSISTANT: Please wait I will check and revert you.

USER: Sure.

ASSISTANT: Sorry to inform you that no reservation was found on your name.

USER: No issues, thanks for your support.

ASSISTANT:  Thank you for availing us.