You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I need to book my ticket from Washington. Could you please help me with booking a flight ticket from DCA to DTW?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My planned journey dates are Dec 19 and Dec 21.

ASSISTANT: Do you have any connection limit preference?

USER: I need a flight with single connection limit.

ASSISTANT: Do you have any other specifications for this trip?

USER: No, I din't have any other specifications.

ASSISTANT: May I know your name to proceed further?

USER: Sure, Brenda Clark here.

ASSISTANT: Hawaiian Airlines is providing connecting flight on this route with a ticket fare of 200 and flight departs at 21:00 hours and arrives at 15:00 hours, shall I book your ticket in this flight?

USER: That's fine for me, please proceed with that ticket booking.

ASSISTANT: Brenda Clark, your ticket is booked in flight number 1010.

USER: Thank you for helping me.

ASSISTANT: You are welcome and have a safe journey.