Hello.
Hello. How can I assist you?
I need a direct flight to Washington, As I am a journalist I want to collect some data from library of congress. Can you do the reservation?
OK, may I know your boarding and deboarding points?
My airport codes are AUS-IAD.
Help me with your travel dates?
Dates are 08/25 and 08/27.
Ok, please wait.
Sure.
 Sorry, no  direct flights are available on your requested dates. May I know your name?
No problem, Thank you. Robert Clark here.
Thank you for availing us.