Parse this person name:

Susan Johnson, 1350-1426, flourished 1373-1396
user
first_name: Susan
last_name: Johnson
middle_names: []
temporal:
- start: 1350
  end: 1426
  type: life_span
- start: 1373
  end: 1396
  type: flourished
titles: []
extra_info: []
assistant