Hi. I am Karen Moore.
Hello, how can I help you today?
I want to book a flight ticket on 12/10 and return on 12/12, so can you help me with booking?
Sure, kindly mention your airport codes?
My airport codes are  TX-IAH and FL-MCO.
How much you can spend for airfare?
I can pay up to 500.
Ok, please wait a moment.
Ok.
There is a flight with your requirement, airline is Spirit with price 300.
Please proceed with booking.
Your booking is done.
Thank you.
Thanks for reaching us.