You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to book a flight ticket from DCA to MCO?

ASSISTANT: Sure, please share your journey dates?

USER: My journey dates are Oct 9 to Oct 11.

ASSISTANT: Do you have any specifications?

USER: I need a flight with single connection.

ASSISTANT: Is there any class preferences?

USER: I prefer a economy class.

ASSISTANT: We found a flight in American airlines, flight number is 1004 with single connection and price is 100 economy class. Shall I proceed?

USER: Yes, you can.

ASSISTANT: May I know your good name please?

USER: My name is George White.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.