You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to visit Los Angeles this weekend, can you please reserve me a flight ticket from LAS to LAX?

ASSISTANT: Sure, may I know your dates of travel please for booking purpose?

USER: I am planning my journey on the dates of Sept 26 and Sept 28.

ASSISTANT: May I know your name please?

USER: My name is Deborah Clark.

ASSISTANT: Do you have any other specifications please?

USER: I prefer direct flight for this trip.

ASSISTANT: I found a flight with the direct flight of fare 100 of Frontier airline, are you ok with this booking?

USER: Please book my ticket in this flight.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1004.

USER: Thank you for your help in booking my ticket.

ASSISTANT: You are welcome, have a safe flight.