You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit Atlanta, will you help me in booking the flight ticket from AUS and ATL?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Dec 21 and Dec 23.

ASSISTANT: May I know your name?

USER: Myself Gregory Rodriguez.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Here, there is a flight with 1 connection in UA airlines and price is 100. Shall I book?

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok, your ticket has been booked with the flight 1021.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.