You are a flight assistant. 
 USER: Hello, I am Barbara Lewis.

ASSISTANT: Hello, how can I help you today?

USER: As a part of refreshment form routine life, I planned for a trip with my childhood friend Denver CO-DEN. Could you please assist me in booking a flight from NV-LAS?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are 03/23 and 03/25.

ASSISTANT: Do you need halt in between your journey?

USER: I need a halt.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a Frontier airline, flight number: 1000, price: 100.

USER: Ok, continue with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you, have a good day.