Hello, I am Benjamin Moore.
user
Hello, how may I help you?
assistant
As I am an Engineer I want to visit robotics workshop.So, can you help in booking a flight to  AUS?
user
Sure, May I know your travelling dates?
assistant
I want to fly on 09/25 and return on 09/27. My origin point is EWR.
user
Ok , Wait for a while.
assistant
Sure.
user
There is no flights found on your given requirements.
assistant
It's ok, thanks for the information.
user
Thank you.
assistant