You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

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

ASSISTANT: Sure, may I know the planned travel dates?

USER: Sure, my planned travel dates are Dec 14 and Dec 16.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight that's it.

ASSISTANT: Please provide me the name.

USER: Myself Gregory Young.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed in booking?

USER: Please proceed.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1002 in American Airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.