You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to travel Washington to visit my cousin there.Can you help me to book a flight ticket from Atlanta, GA - ATL?

ASSISTANT: Sure, please provide the travel dates?

USER: Yes, my travel dates are 09/04 and 09/06.

ASSISTANT: Please provide the destination airport code?

USER: Yes, my destination airport code is DC - IAD.

ASSISTANT: Just hold on for a moment please.

USER: Ok, take your time.

ASSISTANT: I have a found a flight with one connection that is Delta airlines.

USER: If the price limit costs 200.Please, book it for me.

ASSISTANT: The price is below 200. Therefore your flight ticket has been confirmed.

USER: Thank you for the booking.

ASSISTANT: Thank you for your help.