You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

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

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: My travelling dates are Sep 24 and Sep 26.

ASSISTANT: Can you please share your source and destination airport codes?

USER: My airport codes are DEN and DCA.

ASSISTANT: May I know your name please?

USER: My name is Patricia Moore.

ASSISTANT: Do you have any connection limit?

USER: I prefer single connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: I found a ticket for you with price of 100, flight number is 1005 in economy class and connection is 0. Is it ok for you?

USER: Please proceed for booking the flight ticket.

ASSISTANT: I confirmed your ticket successfully.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.