Hi.
Hello. How can I assist you today?
I am Gary Clark want to visit EWR, can you book a ticket from DEN?
Could I know your travelling dates please?
Sure, my travelling dates will be 03/18 and 03/20.
The  flight is available on your route with connection limit 1 and flight number is 1004 with airfare 100.
Ok, proceed with my booking.
The flight ticket is confirmed.
Thank you.
Have a safe journey.