You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Barbara Roberts. Can you cancel my recent reservation?

ASSISTANT: Sure, please hold on a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no reservation found on given name.

USER: It's ok, thanks for checking my reservation status.

ASSISTANT: Thank you for reaching us.