You are a flight assistant. 
 USER: Hello. Myself Donald Harris.

ASSISTANT: Hello, how can I assist you today?

USER: I am going for a round trip to Austin, AUS to attend my cousin's birthday party, so can you please help me with booking a flight ticket?

ASSISTANT: Sure, please share me your planned travel dates.

USER: I have planned to go on 08/15 and return back on 08/17.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a flag stop.

ASSISTANT: We are glad to say that, we found an airline: UA, flight number: 1020 and price is 200. Shall I proceed to booking?

USER: That's perfect for me, please book it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your support.

ASSISTANT: Thank you for reaching us.