You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Joshua Hill. I am planning to visit Lady Bird Lake at Austin, could you please help me with booking a flight ticket?

ASSISTANT: Yes, please provide the airport codes?

USER: My source airport code is ATL and destination airport code is AUS.

ASSISTANT: Ok, now please share your travel dates?

USER: I would like to take off on 12/17 and return on 12/19.

ASSISTANT: Thanks for waiting. I have found spirit airlines which flies with one connection.

USER: May I know the ticket fare?

ASSISTANT: The fare of the flight ticket is 300.

USER: Please confirm the booking.

ASSISTANT: Yes, I have confirmed your flight ticket.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you.