Parse this person name:

Lucas Bernat, 1355-1402, flourished 1380-1390
user
first_name: Lucas
last_name: Bernat
middle_names: []
temporal:
- start: 1355
  end: 1402
  type: life_span
- start: 1380
  end: 1390
  type: flourished
titles: []
extra_info: []
assistant