Parse this person name:

Ashley Johnson, 1914-1974, flourished 1938-1957
user
first_name: Ashley
last_name: Johnson
middle_names: []
temporal:
- start: 1914
  end: 1974
  type: life_span
- start: 1938
  end: 1957
  type: flourished
titles: []
extra_info: []
assistant