Hi,.
user
Hello. How may I assist you today?
assistant
 I would like to enjoy my weekend round trip with my friends. Can you book a ticket with a direct flight?
user
Sure, help me with your airport codes.
assistant
Thank you for your response. It was Charlotte, NC - CLT.
user
Could you please mention your travelling dates?
assistant
My trip dates are 04/26 - 04/28.
user
Please specify your landing airport code.
assistant
It was a round trip.
user
To proceed further, may I have your name please?
assistant
I am Mark Williams.
user
Sorry to say that, no flights were found on your requested dates.
assistant
Ok, not a problem. Thanks for your kind information.
user
Thank you for choosing us.
assistant