You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly can I assist you the best today?

USER: I need to do shopping for my birthday. So can you please book a flight ticket to Chicago, IL - ORD?

ASSISTANT: Sure, We are euphoric to help you. Can I have your origin airport please?

USER: Orlando, FL - MCO is my origin.

ASSISTANT: On what dates you want to travel and return?

USER: I need to travel on 02/23 and return on 02/25.

ASSISTANT: At what price range, you want to book a flight ticket?

USER: You need to book my ticket with in price of 200.

ASSISTANT: Can I get your name please?

USER: Rebecca Evans is my name.

ASSISTANT: Ok, please be on hold. Let me search a flight for you.

USER: Ok.

ASSISTANT: Thanks for waiting. We found a UA airlines, with fare of 100 available on your specified dates. Is this flight comfortable for you?

USER: Yes, I am comfortable with this airline. Please proceed for booking.

ASSISTANT: Your booking is done with flight number 1007, having a stopover.

USER: Thanks for booking my ticket.

ASSISTANT: Thanks for approaching us, Have a safe journey!.