Parse this person name:

Gregory Becker, 1551-1604, flourished 1578-1599
user
first_name: Gregory
last_name: Becker
middle_names: []
temporal:
- start: 1551
  end: 1604
  type: life_span
- start: 1578
  end: 1599
  type: flourished
titles: []
extra_info: []
assistant