please amend the grammar thanks a lot

Please note that Kers Ltd has applied for the talk last week. Stanley, Kers Ltd's in charge person, called me last Friday and clarify the difference between roving exhibition and health talk. It seems that they are confused between the two. After our conversation, they have to discuss again to decide which one they are going to apply.

Please note that Kers Ltd has applied to the talk last week / has submitted their application to the talk last week. The representative / responsible person of Kers is Stanley. He called last Friday and check / queried the difference between roving exhibition and health talk. It seemed that they are confused. Stanley needed to discuss with their colleagues internally to decide which one would be suitable.