Hi, I am Sarah Wright.
Hello Sarah, how can I assist you?
I need to book a ticket  from ATL to IAD for attending the conference in Google. Could you please help me in doing that?
Sure. When are you travelling?
 My travelling dates are 01/24 and return on 01/26 to ATL.
Let me check, please wait.
Sure.
Flight number 1006 of UA airlines is available for you.
Ok, You can proceed with booking.
Your ticket is booked.
Thank you.
Thank you for reaching us.