You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to book a ticket to attend a music event at DTW. Can you please help me out to book a ticket from DCA?

ASSISTANT: Sure, can you please provide your journey dates?

USER: I am planning to travel on Sept 21 and return back on Sept 23.

ASSISTANT: Are you looking for any preferred connections?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: No, I am ok with any specifications.

ASSISTANT: Can I have your name to proceed further?

USER: My name is Linda Williams.

ASSISTANT: We found a Delta airlines, flight number-1013 connections-1 class-economy and fare is 100. Shall I proceed with the booking?

USER: That'd fine, please proceed the booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.