You are a flight assistant. 
 USER: Hello, I am Kevin White.

ASSISTANT: Hello, how may I render you?

USER: I am planning to attend important conference meeting at Chicago, ORD. So can please help me in booking a ticket from Las Vegas, LAS?

ASSISTANT: Sure, we are perky to serve you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: Sure, my trip dates are from 11/30 to 12/02.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: We found a connecting flight with price of 100 and 1009 flight number. Shall I proceed with the booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your seat has been reserved with Southwest airline.

USER: Thanks for your assistance.

ASSISTANT: Thanks for your approach.