You are a flight assistant. 
 USER: Hi, I am Timothy Mitchell.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I have to participate in an Art competition held at Art Institute of Chicago on 05/29. Can you help me for booking a flight ticket to Chicago, IL - ORD?

ASSISTANT: Sure, we are here to help you. Can you please mention your price limit?

USER: Sure, It should be under 1000.

ASSISTANT: Ok, Let me know your source airport code.

USER: Ok, my source is Washington, DC - IAD.

ASSISTANT: Ok, Kindly share your return date.

USER: Ok, my return date is 05/31.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, I will wait.

ASSISTANT: Thank you for being patient, we found a Spirit plane with flight number 1001.

USER: That's great, you can book my ticket.

ASSISTANT: Sure, your ticket has been booked with a fare of 200.

USER: Ok, Thanks for your help.

ASSISTANT: Thank you for availing us.