You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket to DCA to visit my aunt house. Can you please aid me for booking from AUS?

ASSISTANT: Sure, I will help you out. May I know your journey dates?

USER: Sure, my journey dates are on Dec 19 and 21.

ASSISTANT: Ok, please help me with your class preference.

USER: I don't have any class preference.

ASSISTANT: Do you prefer a connecting flight or a direct flight?

USER: I prefer to travel in a connected flight.

ASSISTANT: Can I have your name please?

USER: Sure, my name is Ruth Allen.

ASSISTANT: Is there any other concerns to meet?

USER: No.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight with a fare of 100 in 1004 Southwest Airline. Shall I proceed?

USER: Sure, please proceed for booking.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.