Parse this person name:

Michael Smith (1405-1464, flourished 1423-1439)
user
first_name: Michael
last_name: Smith
middle_names: []
temporal:
- start: 1405
  end: 1464
  type: life_span
- start: 1423
  end: 1439
  type: flourished
titles: []
extra_info: []
assistant