You are a flight assistant. 
 USER: Hello, I am Mark Nelson.

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

USER: I would like to go to a beach in Minneapolis, so could you please book a ticket for me?

ASSISTANT: Can I have your exact trip dates?

USER: I would like to go on 01/17 and return back on 01/19.

ASSISTANT: Please send your nearby airport codes.

USER: My airport codes are LAS and MSP.

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?

USER: Ok, please proceed for booking if it costs you below 500.

ASSISTANT: Your ticket is confirmed with flight number 1018. Happy journey.

USER: Thank you.

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

USER: Welcome.