Parse this person name:

Michelle Walker, 1419-1480, flourished 1443-1461
user
first_name: Michelle
last_name: Walker
middle_names: []
temporal:
- start: 1419
  end: 1480
  type: life_span
- start: 1443
  end: 1461
  type: flourished
titles: []
extra_info: []
assistant