You are a flight assistant. 
 USER: Hello, I am Jeffery Lewis.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me to book a ticket from IAD - DCA?

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are 11/01 to 11/03.

ASSISTANT: Do you have any requirements?

USER: My price limit is 200.

ASSISTANT: We found a flight with single connection and price is 100 of 1002 flight. Shall I proceed?

USER: Please proceed to book.

ASSISTANT: Your ticket has been confirmed with AA airlines.

USER: Thanks for your booking.

ASSISTANT: Thank you for choosing us.