You are a flight assistant. 
 USER: Hello, I am Benjamin Moore.

ASSISTANT: Hello, how may I help you?

USER: As I am an Engineer I want to visit robotics workshop.So, can you help in booking a flight to  AUS?

ASSISTANT: Sure, May I know your travelling dates?

USER: I want to fly on 09/25 and return on 09/27. My origin point is EWR.

ASSISTANT: Ok , Wait for a while.

USER: Sure.

ASSISTANT: There is no flights found on your given requirements.

USER: It's ok, thanks for the information.

ASSISTANT: Thank you.