You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I serve you the best today?

USER: Can you aid me in booking a flight ticket from DCA to BOS?

ASSISTANT: May I know on which dates you are willing to travel?

USER: Sure, I would like to go on Aug 02nd and return back on Aug 04th.

ASSISTANT: Kindly mention your name please?

USER: Myself Shirley Nelson.

ASSISTANT: Let me know your connection limit.

USER: Ensure it is a single connecting flight.

ASSISTANT: There is a flight available with an airline Southwest of flight 1010 in an economy class with single connection. Shall I book it for you?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.