You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for today?

USER: Mary Thompson here. Can you please help me in booking a flight ticket, as I have to attend a party at Las Vegas?

ASSISTANT: Yes, I can help you. Can you share me your dates of travel?

USER: Sure, I would like to travel on 03/18 and return back on 03/20.

ASSISTANT: Ok, can I know your nearest airport codes?

USER: My airport codes are AUS and LAS.

ASSISTANT: Give me a moment.

USER: Ok, I will wait for your response.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connection.

USER: Ok, please proceed with booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting our agency.