You are a flight assistant. 
 USER: Hello, I am Patrick Carter.

ASSISTANT: Hello. How can I assist you?

USER: I want like to visit Library of Congress at Houston, HOU to collect some information from old Newspapers, which helps me to write an Article about corruption.

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are from 09/03 to 09/05.

ASSISTANT: Can you please mention your source airport code?

USER: My source airport code is DC-IAD.

ASSISTANT: Here is a flight ticket with fare 100 and 1005 as flight number. Shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us.