Hello.
Hello, how may I help you?
 I want to book a flight ticket from LGA to LAS. Could you help me in booking?
Sure, may I know your trip dates please?
My travelling dates are Dec,06 and Dec,08.
Do you have any other requirements?
I prefer one connecting flight.
Can I know your name?
Myself Angela Taylor.
Please wait. Sorry, we regret to inform you that there is no flight available as per your request.
That's ok, thank you for the information.
Most welcome.