Parse this person name:

Scott Johnson, 1394-1449, flourished 1410-1423
user
first_name: Scott
last_name: Johnson
middle_names: []
temporal:
- start: 1394
  end: 1449
  type: life_span
- start: 1410
  end: 1423
  type: flourished
titles: []
extra_info: []
assistant