Reformat and correct the grammatical errors in the automatically transcribed lecture recording of a ales cold call role play session featuring the regional manager David. The session focuses on training commercial real estate brokers in cold calling and objection handling. Use R programming language expertise to ensure that the text is coherent and easy to follow. Also, extract all the 'interest generators' and examples used for objection handling. These 'interest generators' are usually mentioned in the first few lines of a cold call, sometimes following the phrase "the reason for my call..." Organize the text into distinct categories to indicate whether the Broker, Property Owner, or other parties are speaking, as well as any monologues or explanations.