You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit Las Vegas, NV-LAS. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: May I know your name please? Can I know your name please?

USER: Sure, my name is Jennifer Wright.

ASSISTANT: May I know your travelling dates please?

USER: The travelling dates are 04/10 to 04/12.

ASSISTANT: Can I know your airport codes please?

USER: The source code is from CO-DEN and the destination airport code is NV-LAS.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed with this flight?

USER: Yes, proceed with my booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.