You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to visit Boston, on 01/09 to 01/11.Can you please help me for booking the flight ticket?

ASSISTANT: Yes, we do deal in flight booking.

USER: Thank you. The corresponding airport codes are from DC-IAD to MA-BOS.

ASSISTANT: May I have your name?

USER: Sure, my name is Pamela Smith.

ASSISTANT: You will be happy hear that, there is a flight found. It is Southwest airlines with one connection.

USER: I am happy with that information, may I know the price?

ASSISTANT: Price will be at 100, So is this flight good to go for the booking?

USER: Yes, proceed with my booking.

ASSISTANT: Your flight booking is done Pamela. Have a good journey.

USER: Thank you for your service.