You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to travel IL - ORD on 11/26. Can you book me flight ticket from DC - DCA?

ASSISTANT: Ok, let me know your return journey date.

USER: My journey dates are 11/26 and 11/28.

ASSISTANT: Mean while may I know your name?

USER: Myself Frank Robinson.

ASSISTANT: I got a flight for you with the airline Delta. Shall I proceed?

USER: Yes, proceed. May I know the connection limit and price?

ASSISTANT: Ok, your connection is 0 and price is 100.

USER: No, I can't go with direct flight.I want a flight with 1 connection limit. Don't book it for me.

ASSISTANT: Sorry for the inconvenience, there is no flight available with your information.

USER: Ok, thank you for your service.

ASSISTANT: Thank you for reaching us.