Parse this person name:

Michael Dennis (1307-1359, flourished 1328-1354)
user
first_name: Michael
last_name: Dennis
middle_names: []
temporal:
- start: 1307
  end: 1359
  type: life_span
- start: 1328
  end: 1354
  type: flourished
titles: []
extra_info: []
assistant