Parse this person name:

Benjamin Donovan, 1691-1744, flourished 1720-1738
user
first_name: Benjamin
last_name: Donovan
middle_names: []
temporal:
- start: 1691
  end: 1744
  type: life_span
- start: 1720
  end: 1738
  type: flourished
titles: []
extra_info: []
assistant