You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to book a ticket from DCA to JFK, can you please help me out?

ASSISTANT: Sure, may I know your travelling dates please?

USER: I am travelling on these dates Jan 30th and Feb 1st.

ASSISTANT: Can you please share your connection limit?

USER: I need single connected flight.

ASSISTANT: May I know your name please?

USER: Dorothy Walker here.

ASSISTANT: Do you have any other specifications?

USER: I don't have any other preferences.

ASSISTANT: There is a flight in United airlines providing connecting flight with the fare 100, shall I proceed with the booking?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is booked with the flight-1012.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us.