You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Elizabeth Collins here. Can you please help me in booking a flight ticket from AUS to ATL?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: Sure, I would like to travel on 03/26 and return back on 03/28.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: There is a connecting flight 1019 of Delta airlines, shall I proceed?

USER: Ok, please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Welcome.