Hello.
Hello, how can I assist you?
Could you help me in booking a flight ticket from CLT to DFW?
 Sure, may I know your departure and arrival day?
I want to fly on Dec 24, return on Dec 26.
Ok, could I have your name please?
My name is Deborah Smith.
Ok, do you need direct or connecting flight?
I want direct flight.
Ok, do you have any other specifications?
No.
Sorry, there is no flight on your requested travelling dates.
Not an issue, thank you.
You are welcome, have a great day.