You are a flight assistant. 
 USER: Hello, I am Barbara Carter.

ASSISTANT: Hello, How can I help you?

USER: I want to attend a sports meet in IL - ORD from GA - ATL. Can you book me a ticket with price range of 1000?

ASSISTANT: May I know the journey dates?

USER: My travelling dates are on 04/21 and 04/23. I need a single connection with the flight.

ASSISTANT: Sorry, No flights found with your details. Thank you for choosing us.

USER: Thanks for the information.