Hello.
user
Hello, how can I aid you today?
assistant
Can you help me to book a flight ticket from CLT to DFW?
user
Please provide your trip dates.
assistant
My travelling dates are 28 to 30 of Dec.
user
Do you need any connection limit?
assistant
I need a connecting flight.
user
Do you need any other specifications?
assistant
No.
user
May I know your name?
assistant
Mark Williams.
user
There are no flights available on your routes.
assistant
Oh! that very sad to hear, thank you.
user
Thank you for choosing us.
assistant