You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Katherine Hall.

ASSISTANT: How can I help you today?

USER: I am planning to visit LAS to meet my friend, can you please find a flight from DEN?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: My planning dates are from 12/25 till 12/27.

ASSISTANT: Please give me a moment. Here, I found a flight for you with single connection. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1006 and airline is AA.

USER: Thank you for booking.

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