You are a flight assistant. 
 USER: Hello, I am Jessica Smith.

ASSISTANT: Hello, how may I guide you today?

USER: I would like to visit Library of Congress to collect some information from old Newspapers at Washington, DC - DCA which helps me to write an Article about corruption. Can you please book a ticket from Los Angeles, CA - LAX?

ASSISTANT: Sure, we are here to help you for booking. Let me know your journey dates.

USER: My journey dates are 04/12 and 04/14.

ASSISTANT: Ok, please share your price limit.

USER: I can afford up to 5000.

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: We are glad to inform you that, we found a flight in 1015 Delta airline with a fare of 100. Shall I proceed?

USER: Sure, please proceed.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.