You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book the flight ticket from BOS to DCA. Can you please help me?

ASSISTANT: Sure, let me know your travel dates please?

USER: My travel dates are May 10 and May 12.

ASSISTANT: May I know your connection limit?

USER: I am willing to travel in a single connecting flight.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: Sandra Taylor.

ASSISTANT: American Airlines is providing connecting flight with the ticket fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1012 and an economy class.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.