Parse this person name:

Steven Frazier (1328-1390, flourished 1356-1367)
user
first_name: Steven
last_name: Frazier
middle_names: []
temporal:
- start: 1328
  end: 1390
  type: life_span
- start: 1356
  end: 1367
  type: flourished
titles: []
extra_info: []
assistant