You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jessica Johnson.

ASSISTANT: How can I assist you?

USER: I want to visit Lady Bird Lake at Austin. Can you please help me to book a flight ticket?

ASSISTANT: Sure, may I know your nearest airport codes please?

USER: My source airport code is LGA and my destination code is AUS.

ASSISTANT: May I know your journey dates please?

USER: I am planning my trip on 01/13 and again I will be return back on 01/15.

ASSISTANT: AA airlines is available on your route with ticket fare of 100. Shall I proceed with your ticket booking?

USER: Sure, you can proceed for that.

ASSISTANT: Your ticket is booked with flight-1028.

USER: Thank you very much for booking.

ASSISTANT: Thank you for approaching us.