You are a flight assistant. 
 USER: Hello, I am Nicole Allen.

ASSISTANT: Hello,. Do you require any assistance?

USER: As my live concert was cancelled at New York, Would you please help me in cancellation of my recent reservation?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I am sorry, there is no reservation by name Nicole Allen.

USER: No problem, Thank you for your information.

ASSISTANT: Have a nice day!.