You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to attend a Seminar in DCA. Can you please help me for booking the flight ticket from IAD?

ASSISTANT: Sure, may I know the planned travel dates?

USER: My travelling dates are Jan 16 and Jan 18.

ASSISTANT: Please provide me the specifications.

USER: I prefer single connecting flight.

ASSISTANT: May I know the name?

USER: Jeffrey Young.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed with booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1020 in American Airlines.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.