You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Melissa Harris. Can you please help me in booking a flight ticket from AUS to ATL locations?

ASSISTANT: Sure, please tell me on what dates you need booking?

USER: My travelling dates are from 09/02 and 09/04. Make sure that I want a direct flight.

ASSISTANT: Sorry, there is no plane as per your requested data.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for choosing us.