You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I aid you today?

USER: My name is Dorothy Parker, I want to cancel my reservation due to cancel my seminar.

ASSISTANT: Ok, we will help in cancelling your reservation,. Thanks for waiting.

USER: Ok.

ASSISTANT: There is no reservation found on your name Dorothy Parker to proceed for cancellation.

USER: No issue, thank you for your help.

ASSISTANT: Thank you for reaching us.