You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: My holiday trip has been cancelled. So, I would like to cancel my recent reservation which is under my name. Can you please help me with that?

ASSISTANT: May I know your name, please?

USER: Sure, my name is Dorothy Parker.

ASSISTANT: Please give me a minute, I will check your existing reservation.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Ok, no issues. My brother might have cancelled my reservation. Anyways, thank you for checking.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: You are welcome.