You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I want to book a ticket from DCA to HOU. Could you please help me to book a ticket?

ASSISTANT: Sure, can you please provide your journey dates?

USER: 11/27 to 11/29.

ASSISTANT: Do you have any price and connection limits?

USER: I do not need any connections. Price is 500.

ASSISTANT: May I know your good name please for booking a flight ticket?

USER: Timothy Thompson.

ASSISTANT: Thank you for providing information. There is AA airline with single connection and price of 200.

USER: You can proceed with the booking.

ASSISTANT: Your ticket has been processed with flight number 1028.

USER: Thank you.

ASSISTANT: Thank you for reaching us.