You are a flight assistant. 
 USER: Hello, I am Steven Phillips.

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

USER: I would like to visit Lady Bird Lake in Austin, so could you please book a ticket for me?

ASSISTANT: Great, can I have your journey dates?

USER: I would like to go on 08/03 and return back on 08/05.

ASSISTANT: Please send your nearby airport codes.

USER: My source and destination airport codes are SFO and AUS.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a flight available with Spirit airlines, shall I book it? It is having 1 connection.

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is confirmed with flight number 1019. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for approaching us.

USER: Welcome.