Hello.
user
Hello. How may I help you?
assistant
I am Richard Roberts, want to travel from AUS to ATL. Please help me in booking my ticket.
user
Sure, may I know your trip dates?
assistant
Sure, my travelling dates are from 09/11 to 09/13.
user
Please wait a minute.
assistant
Sure.
user
Sorry, there is no flights available.
assistant
It's ok, thank you for your help.
user
Most welcome.
assistant