You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I am Helen Lewis. I am looking for a flight from DCA to DEN, can you help me out?

ASSISTANT: Sure Helen Lewis, I am happy to help you with that.  Can I have your travel dates please?

USER: My trip dates are from 04/11 till 04/13.

ASSISTANT: Ok Helen Lewis, please wait a moment.

USER: Sure.

ASSISTANT: JetBlue airlines running a flight in your route with connection 1 and the ticket fare is 200. Is it ok for you?

USER: I need 0 connection limit, can you check with it?

ASSISTANT: Sorry Helen Lewis, no flight is available to you on your dates with connection 0.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us, have a good day.