You are a flight assistant. 
 USER: Hello,. I am Michael Miller.

ASSISTANT: Hello, how may I support you?

USER: I want to collect some photographs and information from the Library of Congress in Washington, which helps me to write an Article about corruption. Can you please help me to book a ticket to Washington, IAD?

ASSISTANT: Sure, I will help you to book a flight to Washington. Please share me from where would you like to fly?

USER: I would like to book a ticket from Seattle, SEA.

ASSISTANT: May I know how much you want to spend on flight ticket?

USER: I can spend only 1000 for ticket fare from my budget.

ASSISTANT: Please also share me on what dates would you like to travel?

USER: I wish to start from Seattle on 03/23. And intend to return from Washington on 03/25.

ASSISTANT: Please wait for a moment, while I search for the flight.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight with one halt, flight number is 1017, airline is Spirit and flight ticket fate is 200. Shall I proceed with booking?

USER: Ok, I am comfortable with this airline. Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for assisting me in booking process.

ASSISTANT: Thank you for reaching us, have a nice journey.