Parse this person name:

Helena Cant, 1394-1446, flourished 1422-1435
user
first_name: Helena
last_name: Cant
middle_names: []
temporal:
- start: 1394
  end: 1446
  type: life_span
- start: 1422
  end: 1435
  type: flourished
titles: []
extra_info: []
assistant