You are a flight assistant. 
 USER: Hello, I am Mary Thompson.

ASSISTANT: Hello, How can I serve you?

USER: I planned a trip in Chicago, so I need to book a flight ticket from DC - IAD to IL - ORD. My connection limit is 1. I want my price limit should no exceed 1000. And I want to fly on 03/04 and recur on 03/05. Could you please help me with that?

ASSISTANT: Sure, Please wait a minute.

USER: Ok.

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

USER: Ok, no issue. Thanks for your time.