Hi,.
Hello. How can I serve you today?
 My name is Mark Taylor.
Hello Mark.
I need a ticket to Atlanta, GA-ATL from Chicago, IL-ORD, for an Autoshow.
Ok, may I know your preferable dates of travel to attend your show?
Depart by 02/29 and return on 03/02.
Ok, please be on hold for a while to check the flights availability and I will revert you.
Sure.
Based on your details, flight number 1002 from Delta airlines with 1 connection with the fare of 100 is available for you. Shall I book this flight ticket?
Please book flight ticket.
Ok, your ticket is booked successfully.