Parse this person name:

Michael Johnson (1944-2005, flourished 1961-1984)
user
first_name: Michael
last_name: Johnson
middle_names: []
temporal:
- start: 1944
  end: 2005
  type: life_span
- start: 1961
  end: 1984
  type: flourished
titles: []
extra_info: []
assistant