You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: I am John Walker.

ASSISTANT: Ok.

USER: I am planning to visit Lady Bird Lake at Austin, could you please help me with booking a flight ticket?

ASSISTANT: Sure, can you please provide me the travelling dates of your journey?

USER: I would like to take off on 02/24 and return on 02/26.

ASSISTANT: Ok, may I know the airport codes please?

USER: My nearest source airport code is HOU and destination airport code is AUS.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight 1025 in AA airline has the price 200. Shall I proceed with this booking?

USER: Please proceed with the booking if the connection limit is 1.

ASSISTANT: Yes, there is a flight with 1 connection limit.

USER: Thank you for your service.

ASSISTANT: Your ticket has been booked, have a safe journey. You are welcome, have a nice day.