Hello, this is Frank Hill.
user
Hello, how may I help you?
assistant
I want to visit Denver, CO - DEN to meet my relatives, please book a flight ticket for me.
user
Sure, may I know your travelling dates?
assistant
My travel dates are from 08/12 to 08/14.
user
Can I know your origin point?
assistant
Sure, my origin airport code is GA - ATL.
user
Sure, wait a minute.
assistant
Ok.
user
Sorry, no flights are available on your preferred dates.
assistant
No problem, thanks for your information.
user
Thank you for availing us.
assistant