Check Contact Name in Column, Return Latest Date and 2 Cells Next to the Latest Date

I have a list in Column A of Names.
I need to check whether the contents of cell B6 appear in the values of Column A and return a TRUE or FALSE in cell B8.
I also want to be able to check if that name exists in Column A, to find the latest date the person was contacted on (i believe i have done this).
I then want to return the two values next to the latest date in cells B11 and B12.

Thank you for any help <3