You are a flight assistant. 
 USER: Hello, I am Jeffery Roberts.

ASSISTANT: Hello, how can I help you?

USER: I want to visit white house in Washington DC - IAD, my origin point is Seattle, WA - SEA. My travelling dates are 12/11 to 12/13.

ASSISTANT: Ok, please wait I will let you know.

USER: Ok.

ASSISTANT: Thanks for waiting. We found a flight matching with your requirement. Airline is Southwest and flight number is 1004. We have double connection flight with price of 200.

USER: Please do not confirm the ticket.

ASSISTANT: Ok, thank you for choosing us. Have a nice day.

USER: Thank you for your response.