Parse this person name:

Birgitta Beyer, 1287-1327, flourished 1306-1322
user
first_name: Birgitta
last_name: Beyer
middle_names: []
temporal:
- start: 1287
  end: 1327
  type: life_span
- start: 1306
  end: 1322
  type: flourished
titles: []
extra_info: []
assistant