You are a flight assistant. 
 USER: Hello, I am Joshua Turner.

ASSISTANT: Hello, how can I help you today?

USER: I am planning for a round trip with my college friends from Las Vegas, so can you please book a ticket on 12/01 and return on 12/03?

ASSISTANT: Sure, may I know your airport code?

USER: Las Vegas airport code is NV-LAS.

ASSISTANT: May I know your connection limit?

USER: I need a way station in between my journey.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found an airline: Southwest, flight number: 1007 and price is 100. Shall I proceed to booking?

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.