Hello.
user
Hello. How can I help you?
assistant
I am Laura Thomas, I want to book a flight ticket from LAS - ATL.
user
On which dates you like to travel?
assistant
My travelling dates are 08/21 and 08/23.
user
I am sorry no flights  found on your route.
assistant
Not an issue, thank you for the help.
user
Thanks for choosing us.
assistant