You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Virginia Brown.

ASSISTANT: Do you want me to help you with anything?

USER: I had planned to go on a vacation, but it was cancelled.Can you cancel my recent reservation?

ASSISTANT: Sure, give me a moment.

USER: Sure.

ASSISTANT: I am sorry to say that there is no reservation found.

USER: That's Ok. Thank you for your help.

ASSISTANT: Thank you for providing me with your details. Have a nice day.