You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you help me in booking from ATL to LAS, as there is a business meeting to attend?

ASSISTANT: Sure, I am glad to help you. May I know your desired trip dates?

USER: My trip dates are Jun 4 to Jun 6.

ASSISTANT: May I know your name?

USER: I am Mark Thomas.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Here, there is a direct flight in AA airlines and price is 200. Shall I book?

USER: You can reserve it.

ASSISTANT: Ok, your ticket has been booked with the flight 1010.

USER: Thank you.

ASSISTANT: Thank you for reaching us.