You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Nancy White. I would like to attend conference meeting at Washington for next week. Can you please help me in booking the ticket from DTW to DCA?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: I will drop-off 01/15 and again I will be return back on 01/17.

ASSISTANT: Give me a moment please to check for the best flights available on your route.

USER: Sure.

ASSISTANT: Ok, there is a flight 1003 in Delta airline matching your details with price 100. Shall I proceed?

USER: Yes, you proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thank yo very much for reserving the ticket.

ASSISTANT: You are welcome, have a safe journey.