You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Please help me in booking a flight ticket from AUS to MCO.

ASSISTANT: Sure, can you share your travelling dates?

USER: I will start on Oct, 2 and return on Oct, 4.

ASSISTANT: Do you have any specifications?

USER: I need to depart at evening time with connecting flight.

ASSISTANT: May I know your name?

USER: Myself Raymond Robinson.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.