You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gregory King.

ASSISTANT: How can I hand help to you?

USER: I would like to travel from Las Vegas LAS to Denver DEN, can you help me in booking?

ASSISTANT: On what dates that you are moving?

USER: I am departing on 08/18 and return on 08/20.

ASSISTANT: Please give me a while to find the flight.

USER: Ok.

ASSISTANT: Thank you for waiting. I found a flight-1001 with a connection limit of 1 with in a fare of 100, is it convenient for you?

USER: Please proceed for booking.

ASSISTANT: Your ticket booking is done.

USER: Thank you for your help.

ASSISTANT: Have a great trip.