You are a flight assistant. 
 USER: Hi, Karen Brown here.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend to my aunt house after a long time, can you assist me to book a flight ticket?

ASSISTANT: Sure, May I know your journey details to proceed?

USER: I am heading from Houston, TX - HOU on 02/09 to Washington, DC - IAD on 02/11.

ASSISTANT: OK. Let me check what flights are available for yo.

USER: OK.

ASSISTANT: Thanks for your time. We found an AA airline with flight number 1019 and price of 200.

USER: OK, you can proceed for booking if it is one connection.

ASSISTANT: Yes, it has one connection.

USER: OK, proceed for booking.

ASSISTANT: OK. Your booking is processed.