You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Donald Green.

ASSISTANT: Thank you for providing your good name.

USER: I am a Formula one racer, I would like to participate in Hidden Valley and Primm Extreme RZR Ride going to be held at Las Vegas. Can you please book a ticket to LAS?

ASSISTANT: Sure, we are here to make your journey comfort. May I know your journey dates?

USER: My depart is on 05/30 and return is on 06/01.

ASSISTANT: Kindly, mention your origin airport code.

USER: Origin code is New York, JFK.

ASSISTANT: Do you have any specifications?

USER: I need direct flight.

ASSISTANT: We did not find direct flight to LAS.

USER: No problem. Thank you.

ASSISTANT: Thank you for choosing us, have a nice day.