You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please help me to book a flight from DTW to AUS?

ASSISTANT: Sure, I am here to help you with that flight ticket booking. May I know your travelling dates?

USER: Sure, I want to depart on June 16 and need to return on June 18.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Can I know your connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: Myself Andrew Harris.

ASSISTANT: Southwest Airlines are having a flight-1002 with connecting and the ticket fare is 100. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your booking has been done in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.