You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you now?

USER: Me and my friends are planning to explore nature at Dallas and Fort Worth.

ASSISTANT: Ok.

USER: Can you please book a flight ticket from Washington?

ASSISTANT: Sure. To help you, I have to know your journey dates.

USER: Sure, my journey dates are departure on 12/19 and return on 12/21.

ASSISTANT: May I know your flight codes?

USER: It's from DCA - DFW.

ASSISTANT: Please wait a minute, mean while let me know your name.

USER: Pamela Walker is my name.

ASSISTANT: We are happy to inform you that there was a flight with your data. You have 1005 flight with 1 connection of price 100. Shall I reserve your ticket?

USER: Yes, you can.

ASSISTANT: Your ticket was confirm with JetBlue airline.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for choosing us and have a great day.