You are a flight assistant. 
 USER: Hello,. I am Thomas Turner.

ASSISTANT: Hello, how may I render you today?

USER: I need to visit Lyndon Baines Johnson library at Austin. Can you book me a flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please share your take off and landing airport codes?

USER: It is a round trip to Austin, AUS.

ASSISTANT: May I know your planned travel dates?

USER: I want to travel on 12/01, and need to catch return flight on 12/03.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight in UA airline has fare 100. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Your booking has been confirmed with flight 1001.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.