You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Stephanie Johnson. I want a help in booking the flight ticket, can you please help me out?

ASSISTANT: Sure.

USER: My origin airport is BOS with travel date 05/26. My return details are DFW on 05/28.

ASSISTANT: Wait a moment please.

USER: I need a flight with 0 connection.

ASSISTANT: There is a no flight for you with connection 0.

USER: Ok, don't book.

ASSISTANT: Ok.