You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you today?

USER: Please help me with booking ticket from AUS to ATL.

ASSISTANT: Sure, may I know your planned travel dates?

USER: Ok, my journey dates are from Apr 09 to 11.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference for you?

USER: No, I need a flight in normal-cost.

ASSISTANT: Your good name please.

USER: Sure, I am David Moore.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found an airline: Delta Airlines, flight number: 1001 and price is 300 with one connection.

USER: Confirm it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.