Hello,. I am Mark Hall.
user
Hello. How may I assist you today?
assistant
Can you help me in booking a flight ticket from LAS to DFW?
user
Sure, may I know your planned travelling dates?
assistant
I want to travel on 12/22, and need to catch return flight on 12/24.
user
Do you need a connection in between your journey?
assistant
No, I need a direct flight.
user
 Unfortunately, there are no flights found according to your requirement.
assistant
Ok, no issues. Thanks for the information.
user
You are most welcome and thank you for consulting our agency.
assistant