You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Carol Thompson. I need to book a flight ticket from MA_BOS to DC-DCA, Can you help me for booking a flight ticket please?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to travel on 10/18 to 10/20.

ASSISTANT: Do you have any other requirements?

USER: I need a single stop over.

ASSISTANT: Sure, there is a flight-1004 is available for you. Shall I proceed with 1 connection?

USER: Yes, proceed.

ASSISTANT: Your ticket has been booked, have a nice flight.

USER: Thanks for your information.

ASSISTANT: Most welcome.