Hello. I am Charles Allen.
Hello, may I know your name please?
Actually, I am planning to go from NV-LAS to NY-EWR.
Yes, how can I help you? Ok, please tell me your travelling dates?
My preferable dates are 02/21 to 02/23.
Sorry, there are no flights available regarding your journey. Do you want any more information please?
That's fine.
Thank you and have a nice day.