Parse this person name:

Berto Villegas-Velasco, 1755-1829, flourished 1771-1800
user
first_name: Berto
last_name: Villegas-Velasco
middle_names: []
temporal:
- start: 1755
  end: 1829
  type: life_span
- start: 1771
  end: 1800
  type: flourished
titles: []
extra_info: []
assistant