Parse this person name:

Gregory Williams (1602-1655, flourished 1624-1645)
user
first_name: Gregory
last_name: Williams
middle_names: []
temporal:
- start: 1602
  end: 1655
  type: life_span
- start: 1624
  end: 1645
  type: flourished
titles: []
extra_info: []
assistant