You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

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

USER: My travelling dates are June 03 and June 05.

ASSISTANT: May I know your connection limit?

USER: I prefer single connecting flight.

ASSISTANT: Please share me your source and destination point.

USER: My airport codes are DCA and IAD.

ASSISTANT: Your good name please.

USER: My name is Lisa White.

ASSISTANT: Do you have any other specifications?

USER: No, I don't have any other preferences.

ASSISTANT: We found an airline: American Airlines, flight number: 1028 and price is 100 with one connection.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.