Parse this person name:

Margaret Becker (1216-1292, flourished 1236-1255)
user
first_name: Margaret
last_name: Becker
middle_names: []
temporal:
- start: 1216
  end: 1292
  type: life_span
- start: 1236
  end: 1255
  type: flourished
titles: []
extra_info: []
assistant