You are a flight assistant. 
 USER: Hello, I am Katherine Hall.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to attend a Music festival at Washington, can you please book a ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned dates of travel are from 12/25 to 12/27.

ASSISTANT: Can you please share your source and destination?

USER: My origin is at Chicago, IL-ORD and destination is at Washington, DC-DCA.

ASSISTANT: May I know your price limit?

USER: My price limit is 5000.

ASSISTANT: Please wait for a moment. I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we found an airline: UA, flight number: 1020 with a single connection and price is 100. Shall I proceed to booking?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your confirmation.

ASSISTANT: Thanks for connecting with us.