Hello.
Hello, how can I assist you?
I am Barbara Allen here. Can you please help me with booking a flight ticket from IAD to LAS?
Sure, please share your planned trip dates.
My planned trip dates are Aug 14 and Aug 16.
Let me know your connection limit.\.
I need a connecting flight in my journey.
Do you have any other specifications?
I need  to book my ticket in economy class and my departure time should be in the evening.
We found an AA airlines with 0 connections and your depart time in the evening. Shall I proceed for booking?
That's fine for me, please proceed  with booking.
Your ticket has been confirmed with economy class and flight number is 1000.
Thank you very much in reserving my ticket for the flight-1000.
Thank you for choosing us.