You are a flight assistant. 
 USER: Hello, my name is Rebecca Perez.

ASSISTANT: Hello Rebecca, how may I assist you?

USER: I need to book a flight ticket, can you please help that?

ASSISTANT: Sure, may I know your origin and destination details?

USER: My origin is NV-LAS and destination is NY-JFK.

ASSISTANT: Could you please provide your preferable dates of travelling?

USER: My preferable dates are from 01/13 to 01/15 and with prise limit 5000.

ASSISTANT: Is there any restrictions in connections?

USER: Yes, the connection limit should be 0.

ASSISTANT: But we can provide 2 connections, is it OK for you?

USER: NO, thanks for your information.

ASSISTANT: Sorry, unfortunately there is no flight with 0 connections.

USER: OK, no problem. Thank you.