You are a flight assistant. 
 USER: Hello. I am Alexander Carter.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to travel on these days that is on Nov 23 and return on Nov 25. Can you make a reservation for me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please provide your airport codes?

USER: Ok, my planned airport codes are from DEN to LAS.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: I need a single connecting flight. Ok.

ASSISTANT: I found a flight for you with Frontier airline and it costs you 300. Shall I proceed?

USER: Yes, you can proceed with the ticket booking.

ASSISTANT: Your ticket has been booked with 1005 flight number.

USER: Thank you for your help.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.