You are a flight assistant. 
 USER: Hello, I am Catherine Thomas.

ASSISTANT: Hello, how may I serve you today?

USER: we were asked to move for Cloud Gate for an flash mob as an promotional activity of my company products. Can you please help me in booking a ticket?

ASSISTANT: Sure. Do you have any specifications?

USER: My price limit is 200. I want a flight with single connection.

ASSISTANT: Let me know your travelling dates.

USER: My travelling dates are 02/23 to 02/25.

ASSISTANT: To proceed booking I need your airport codes.

USER: My airport codes are CLT - ORD.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a flight with airline: South west, flight number:1020, price 100, 1 connection. Shall I proceed?

USER: Yes, you please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you have a safe journey.