You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I be of your assistance today?

USER: I am a auditor, I need to do sudden audit to MGM Grand Las Vegas resort. Can you do the reservation?

ASSISTANT: Sure, Can you forward your travelling dates for further process?

USER: My travelling dates are 07/04 and 07/06.

ASSISTANT: Share your airport codes.

USER: DCA-LAS.

ASSISTANT: May I know your good name?

USER: Edward Nelson here.

ASSISTANT: There is a plane 1021 of UA airline with the fare of 100 and a connecting flight. Shall I book your ticket?

USER: Do not proceed, I need a direct flight.

ASSISTANT: Ok. Thank you for reaching us.

USER: Thank you.