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