You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Dennis Baker.

ASSISTANT: What can I do for you?

USER: I am planning for a round trip from AUS to AUS, can you please help me with booking a flight ticket?

ASSISTANT: May I know your trip dates?

USER: Sure, I would like to take off on 05/25 and return back on 05/27.

ASSISTANT: Ok, please wait.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Here is a flight ticket with 1001 flight number and connection limit is 1.

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket is confirmed with AA airline.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.