You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Could you please help me in booking a ticket?

ASSISTANT: Sure, please tell me your journey locations?

USER: Sure, my source is San Francisco CA-SFO to new York NY-EWR. And my travelling dates are 01/19 to 01/21.

ASSISTANT: OK, thank you for your details. please wait a moment, let me check for the flights available.

USER: OK,sure.

ASSISTANT: Yes, I found a flight for you of airlines Frontier and flight number is 1005. The fare for this flight is 200 with connection 1. Is that OK for you? Can I  continue with the booking process?

USER: No,my connection limit 0 and price limit 500.

ASSISTANT: OK, but there is no flight available with connection 0.

USER: OK, thank you.

ASSISTANT: Welcome. May I know your good name please for documentation purpose?

USER: My name is Dorothy Rodriguez.

ASSISTANT: Thank you Dorothy for contacting us.