You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please book a flight ticket from AUS to ATL?

ASSISTANT: Can I have your travel dates please?

USER: My travelling dates are Dec 18-20.

ASSISTANT: Is there any time concern?

USER: I want a ticket under normal cost.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Are there any airline preferences?

USER: I want a ticket under normal cost.

ASSISTANT: May I know your name please?

USER: My name is Nicholas Miller.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Delta Airlines with flight 1012 is providing service on your route with single connection. Your ticket is book in the economy class with the cost of 100 and departure: AUS 14:00PM Dec, 18 arrival: ATL 21:00PM Dec, 20.

USER: Thank you.

ASSISTANT: Thank you for reaching us.