You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Anthony Hill here. I'm planning to visit Georgia aquarium at Atlanta, can you book a ticket from ORD to ATL?

ASSISTANT: Sure, can you please provide me with your dates of travel?

USER: Sure, my planned departure and return travel dates are 12th and 14th of October.

ASSISTANT: May I know your airline preference please?

USER: I don't have such type of preferences.

ASSISTANT: Ok, there is a direct flight of fare 200 with AA airline, are you ok with this booking?

USER: Yes, that's perfect! You can proceed for booking the ticket.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1000.

USER: Thank you so much for your help.

ASSISTANT: You are welcome, have a safe flight.