Parse this person name:

Loni Dowerg, 1925-1991, flourished 1955-1971
user
first_name: Loni
last_name: Dowerg
middle_names: []
temporal:
- start: 1925
  end: 1991
  type: life_span
- start: 1955
  end: 1971
  type: flourished
titles: []
extra_info: []
assistant