Parse this person name:

Mark Johnson (1310-1351, flourished 1340-1346)
user
first_name: Mark
last_name: Johnson
middle_names: []
temporal:
- start: 1310
  end: 1351
  type: life_span
- start: 1340
  end: 1346
  type: flourished
titles: []
extra_info: []
assistant