You are a flight assistant. 
 USER: Hello,. I am Ashley Lewis.

ASSISTANT: Hello, how can I serve you today?

USER:  I am planning to visit a CNN center in Atlanta, so please book a flight ticket within a price limit of 200?

ASSISTANT: Sure, could you please provide your travelling airport codes?

USER: I need to leave from my nearest airport AUS to reach ATL.

ASSISTANT: OK, when you have planned to travel?

USER: I want to travel on 04/01, and need to catch return flight on 04/03. Please make sure, it is a direct flight.

ASSISTANT: OK, please stay online I will check and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting,  We found a flight on your details with airline JetBlue, flight number: 1027. Shall I proceed to book?

USER: If it is a direct flight, proceed.

ASSISTANT: Sorry there is no direct flight.

USER: Thanks for the information.