Hi.
user
Hello.
assistant
I am Eric Young.
user
How can I  help you?
assistant
I looking for a flight from AUS to CLT, for attending a marriage of my friend.
user
Your travelling dates please?
assistant
Ok, my preferable dates are from 04/17 and 07/19.
user
I am sorry no flights found on your routes.
assistant
It's ok, thanks for your information.
user
Thank you for choosing us.
assistant