You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

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

ASSISTANT: Sure, please share me your planned journey dates?

USER: My scheduled dates are on Apr 19th to 21st.

ASSISTANT: Please mention your connection limit?

USER: I prefer a connected flight.

ASSISTANT: Do you have any other requirement?

USER: No.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Dennis Young.

ASSISTANT: I found a connecting flight 1015 of airline AA, fare is 100 and class is economy. Shall I proceed booked?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank your visiting us, have a nice journey.