You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Mary Gonzalez.

ASSISTANT: How may I guide you?

USER: I would like to attend a seminar at Las Vegas, will you help me in booking the flight ticket from ATL to LAS?

ASSISTANT: Sure, can I have your planned travel dates please?

USER: My travelling dates are 08/20 and 08/22.

ASSISTANT: Please wait a moment, Mary.

USER: Ok, I will wait for your response.

ASSISTANT: Thank you for your waiting, I found a flight for you in UA airlines with fare 100. Can I book your ticket?

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1022.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing our agency.