You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Baker.

ASSISTANT: How may I assist you?

USER: I want to reserve a flight ticket from Las Vegas to attend a conference in Atlanta, can you please help me out?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My travelling dates are Dec 22 and Dec 24.

ASSISTANT: May I know your airport codes please?

USER: I want to fly from LAS to ATL.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a connecting flight to reach my destination.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Spirit airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with the flight-1022. Thank you for choosing us.

USER: Thank you for booking.