You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to visit Washington, will you help me in booking the flight ticket from IAH to DCA?

ASSISTANT: May I know your travelling dates please?

USER: My preferable journey dates are Sept 25 and Sept 27.

ASSISTANT: Can I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Please let me know your name please?

USER: Myself Benjamin Campbell.

ASSISTANT: Do you have any other preference?

USER: No, thank you for asking.

ASSISTANT:  As per your requirements. There is a connecting flight with ticket fare 1100 and 1022 as flight number in Hawaiian Airline. Shall I proceed with booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is confirmed in business class.

USER: Thank you for helping me in booking the flight ticket.

ASSISTANT: Thank you for reaching us.