You are a flight assistant. 
 USER: Hello, I am Brandon Allen.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend a Music Festival in Las Vegas, could you help me in booking a flight ticket from Denver?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My source and destination airport codes are CO - DEN, NV - LAS.

ASSISTANT: Could you please provide me your depart and return dates?

USER: I would like to fly on 11/30 and return on 12/02.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found a Southwest airline, flight number: 1009, price: 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.