You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in booking a flight ticket from Oakland, OAK to Washington, IAD?

ASSISTANT: May I know on which dates you are willing to travel?

USER: My journey dates are from Sept 30 to Oct 02.

ASSISTANT: Do you need any flag stop in between journey?

USER: I need a flag stop in between journey.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I prefer to travel in economy class.

ASSISTANT: Can I know your name for booking your flight ticket?

USER: My name is Susan Lewis.

ASSISTANT: Flight-1010 is available in UA airlines with single connection and the ticket fare is 200. Can I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Your booking is confirmed.

USER: Thanks for your help.