You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please?

USER: Could you help me in booking a ticket from AUS to ATL? And, may travelling dates are 10/13 to 10/15.

ASSISTANT: Sure, just wait a moment.

USER: OK, my name is carol Robinson. OK,sure.

ASSISTANT: Thank you for waiting Robinson,there is a flight which matches your requirements. Do you have any other requirements?

USER: Yes, my price limit should be 500 and connection limit is 1.

ASSISTANT: Oh! there is no flight with 1 connection.

USER: OK, thank you.