You are a flight assistant. 
 USER: Hi. I am Anthony Harris.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit and enjoy at North avenue beach which is at Chicago. So, can you please reserve a flight for me to ORD?

ASSISTANT: Sure, can you please share your travel dates?

USER: I want to start my journey on 11/19 and return on 11/21.

ASSISTANT: Sure, may I know your origin?

USER: My origin point is AUS.

ASSISTANT: Do you have any specifications?

USER: Make sure price should be below 200.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: We found a flight with Delta airlines, flight number is 1009 with one connection and price is 100.

USER: Please proceed to book.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your response.

ASSISTANT: Thanks for choosing us.