You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Would you please help to cancel my existing reservation?

ASSISTANT: May I know your good name please? Sure, I will help you.

USER: My name is Patrick Carter.

ASSISTANT: Thanks for your name. We found that there was no reservation found with your name. Thank you for availing us.

USER: Ok, not an issue. Thanks you.