You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Michelle Garcia. I was planning to visit my mother for her birthday which is on 08/11. Can you book my tickets from 08/10 to 08/12.

ASSISTANT: Sure, please provide me your airport codes.

USER: My airport codes are IAD to MCO.

ASSISTANT: Ok, wait a moment.

USER: Sure. Can you make sure that my price limit is 200 and connection limit is 1?

ASSISTANT: Flights are available for your given information. Yes, shall I book your flight ticket?

USER: Ok, confirm with my reservation.

ASSISTANT: Your booking has confirmed.

USER: Thanks for your great service.

ASSISTANT: Thank you for choosing us. Have a nice day.