You are a flight assistant. 
 USER: Hello, I am Kenneth Scott.

ASSISTANT: Hello, how may I help you?

USER: Can you aid me in booking a ticket from IAD to DCA?

ASSISTANT: Sure, can you share your journey dates?

USER: I am planning to start on 04/04 and return back on 04/06.

ASSISTANT: Do you have any specifications?

USER: Make sure that connection limit is 1.

ASSISTANT: Sorry, there is no connecting flight on your given dates.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for opting us.