Hello, Kimberly Carter here.
Hello, how may I serve you?
I need to travel from AUS to CLT to meet my old friends. Can you help with it.
Sure, It's my pleasure to help you. May I know your price limit?
I need  a flight ticket under 5000.
Ok, to book a flight ticket I need your travel dates?
My travelling dates are 07/29 to 07/31.
Please wait for a minute, I will check and let you know the details of flight.
Sure.
Sorry, there were no flights available with your preferred dates.
OK, that's not a problem.
Thank you for opting us, have a nice day.