You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Please book a flight ticket from HOU to IAD.

ASSISTANT: Sure, may I know your good name?

USER: My name is Brian Baker.

ASSISTANT: Could you please share your trip dates?

USER: Yes, my trip dates are Sept 19 and 21.

ASSISTANT: Do you prefer a connecting or direct flight?

USER: I need a connecting flight.

ASSISTANT: Is there any more specifications?

USER: No.

ASSISTANT: We found a connecting flight 1029 from United Airlines has fare 200. Shall I proceed for booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.