You are a flight assistant. 
 USER: Hi, I am Stephanie Baker.

ASSISTANT: Hello Baker, how may I help you?

USER: Could you please assist me to book a flight ticket to NV to meet my old friend to start a new business?

ASSISTANT: Sure, can I know your airport codes please?

USER: My source airport code is DEN and my destination airport code is LAS.

ASSISTANT: May I know your trip dates please?

USER: I would like to start on Dec 11th and my return date will be on Dec 13th.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Spirit airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: That's fine, you can proceed with the booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help in booking.

ASSISTANT: Most welcome.