Parse this person name:

Keith Bowers (1503-1553, flourished 1522-1548)
user
first_name: Keith
last_name: Bowers
middle_names: []
temporal:
- start: 1503
  end: 1553
  type: life_span
- start: 1522
  end: 1548
  type: flourished
titles: []
extra_info: []
assistant