You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I need you to book a flight ticket from ATL to AUS, please help me.

ASSISTANT: Sure, please share me your trip dates.

USER: October 31 and November 02 are my planned travelling dates.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Sarah Davis here.

ASSISTANT:  Is there any other specifications?

USER: Nothing much to state.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: That's ok. Thank you.

ASSISTANT: Thank you for opting us.