You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at present?

USER: I want to cancel my reservation as I have some health issues, so please help me to cancel.

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: May I know your name?

USER: Sure, my name is Dorothy King.

ASSISTANT: Thanks for providing your name, please wait.

USER: Ok, I will wait.

ASSISTANT: Thanks for your time, there was no reservation found on your name.

USER: No issues, thanks for your response.

ASSISTANT: Thank you for choosing our service.