Hi. Myself Kenneth Lee.
hello. How can I assist you?
I want to travel from IAD to SFO, can you please book a flight ticket for me?
May I know your travelling dates?
My travelling dates are from 08/01 and 08/03.
Happy news for you here  is a flight with connection limit 1 and flight number 1021. May I proceed?
Please proceed it.
Ok, your ticket has been booked with airline AA and price 100.
Thank you so much.
Thank you for reaching us.