You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I serve you today?

USER: Can you please help me in booking my flight ticket from DCA to MCO?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My planned travel dates are July 09-11.

ASSISTANT: Do you have any other requirements?

USER: I prefer a flight with connection.

ASSISTANT: Can I know your good name please?

USER: I am Debra Hill.

ASSISTANT: Is there any specifications, please let me know?

USER: No.

ASSISTANT: We found a connecting flight with an American airlines of flight 1004 in business class. Shall I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.