You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Yes, myself Nicole Green and I want to cancel my resent reservation. Can you please help me? Cancelling my reservation is very much urgent.

ASSISTANT: Please give me a moment. Sorry to say that Green, there is no reservation found under name.

USER: OK, no problem. Thank you for the information.

ASSISTANT: Thanks for reaching us.Have a nice day.