You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: This is Stephanie Scott. I need your help for booking a flight ticket from DC-IAD to IL-ORD.

ASSISTANT: Sure, could you mention your travel dates?

USER: My departure day is 07/03 and return day is 07/05.

ASSISTANT: Ok, please wait a moment.

USER: I need 1 connection flight ticket and price limit is 500.

ASSISTANT: There is a flight with 0 connection for your dates. Is it OK for you?

USER: Sorry,I want 1 connection,please don't book this flight ticket.

ASSISTANT: OK, Thanks for approaching us. Have a nice day!.

USER: Thanking you for your wonderful service.