Negotiate Kraków Studio Lease

I have already located a private owner in Kraków who manages several small studios. I need you to call him, speak in Polish at roughly B2 level (English is a fallback), and secure a unit for 1 400–1 700 zł per month with utilities charged by actual use... (Budget: €15 - €20 EUR, Jobs: Call Center, Customer Service, English Translation, Market Research, Polish Translator, Property Management, Real Estate, Sales)