You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to visit Library of Congress to collect some information from old Newspapers at Washington, which helps me to write an Article about corruption. Can you do the reservation?

ASSISTANT: Sure. Could you let me know your journey points?

USER: My airport codes are ATL-DCA.

ASSISTANT: May I know when your willing to travel?

USER: Dates are 09/22 and 09/24.

ASSISTANT: How much can you afford for your ticket?

USER: I can spend money for a ticket maximum 200.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Thanks for waiting. We found a Southwest airline, flight 1006 with single connection. Shall I proceed with booking?

USER: Go ahead.

ASSISTANT: Ok, may I know your good name please?

USER: Brian Young here.

ASSISTANT: Your ticket has been reserved.

USER: Thank you so much.

ASSISTANT: Thank you for consulting us.