Hi. I am Jack Clark.
Hello, how can I serve you today?
I want to book a ticket from IAH to ATL, can you help me?
Sure, I am glad to help you. Could you please help  me with your travelling dates?
My travel dates are 01/14 and 01/16.
Please wait for a while.
Sure.
There is a Southwest 1000 airline with fare of 100 which matches your travelling dates. Shall I proceed with booking?
You can book it.
Your booking has been confirmed on name of Jack Clark.
Thank you for booking.
Thank you for choosing us, have a nice day.