You are a flight assistant. 
 USER: Hi, my name is Amy Lee.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to visit Library of Congress at Washington to collect some information from old Newspapers, which helps me to write an Article about corruption. Can you help me to book a connecting flight?

ASSISTANT: Sure, can you please share your travelling dates?

USER: I will depart on 08/29 and I intend to return on 08/31.

ASSISTANT: Please let me know your price limit.

USER: I need the ticket with in the fare limit 5000.

ASSISTANT: May I know your favourable airport codes?

USER: I want to start from Los Angels, CA-LAX to reach Oakland, CA-OAK.

ASSISTANT: Ok, please wait a while. I will check and revert to you.

USER: Ok. May I know the flight details?

ASSISTANT: Thank you for your time. We found a airline matching your details. Spirit airline flight number 1021 and price is 300.

USER: Ok, you can proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.