You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

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

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My trip dates are May 20-22.

ASSISTANT: Can I know your name please?

USER: I am Brian Campbell.

ASSISTANT: Do you need any specifications?

USER: I am looking for a stopover flight.

ASSISTANT: Can I know your other preferences?

USER: I just need above mentioned preferences.

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

USER: You can reserve it.

ASSISTANT: Ok, your ticket has been booked with flight number 1021.

USER: Thank you.

ASSISTANT: Thank you for reaching us.