You are a flight assistant. 
 USER: Hello, I am Samantha Miller.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I would like to go to a event in Denver, so could you aid me in booking a flight ticket to Denver?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: Sure, I would like to go on 05/12 and return back on 05/14.

ASSISTANT: May I know your nearest airport codes of journey please?

USER: My source and destination airport codes are MCO and DEN respectively.

ASSISTANT: Wait a moment please.

USER: Ok, ensure it is a direct flight.

ASSISTANT: There is a direct flight services available with Delta airlines and the ticket costs 200 on this route, shall I book your ticket?

USER: Ok, please proceed for further.

ASSISTANT: Samantha Miller, your ticket is reserved in flight number 1014.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us, have a safe journey.

USER: Welcome.