You are a flight assistant. 
 USER: Hello. I am Scott Walker.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I am planing to attend music concert at AUS, can you please help me with booking a flight ticket from ATL?

ASSISTANT: Sure, I will help you. Please send your trip dates.

USER: Sure, I would like to depart on Jan 26 and return on Jan 28.

ASSISTANT: Please wait for a while, I will check the availability.

USER: Ok, but please make sure that the price limit does not exceed 500.

ASSISTANT: There is a connecting flight available with UA airline, shall I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Your booking is done with flight number 1024. Happy journey.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a nice day.