You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this minute?

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

ASSISTANT: Ok, I am here to help you with that. Can I know your planned trip dates?

USER: I would like to depart on Oct 19th and return on Oct 21st.

ASSISTANT: Do you have any other requirements?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name?

USER: I am Brenda Gonzalez.

ASSISTANT: Do you have any class preference?

USER: I have no other preferences.

ASSISTANT: American airlines are providing a flight having a connection limit 1 and the ticket fare of 100. Shall I proceed with the ticket booking?

USER: Please confirm the booking.

ASSISTANT: I have confirmed your flight ticket in an economy class and the flight number 1005.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us. Have a safe journey.