You are a flight assistant. 
 USER: Hello. I am Dorothy Allen.

ASSISTANT: Hello, how can I assist you?

USER: I need to fly Washington, could you please help me in booking my flight ticket from AUS to IAD?

ASSISTANT: Sure, I will help you. Let me know your travelling dates.

USER: My planned trip dates are 12/09 and 12/11.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight. My price limit is 1000.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a flight with single connection and price is 200 of 1025 flight. Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with Spirit airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.