Hi, I am Dennis Moore.
user
Hello, what can I do for you today?
assistant
I would like to visit The Billy Graham (library) to know about  history at Atlanta, Please book me ticket from LAS to ATL.
user
Sure, may I know your price limit?
assistant
I can pay up to 200.
user
Ok, provide your trip dates?
assistant
I would start on 06/29 and return on 07/01.
user
There are no flights at this moment on your requested dates.
assistant
That's Ok. thanks for your assistance.
user
Thank you for reaching us.
assistant