Parse this person name:

Sandor Heser (1615-1670, flourished 1645-1665)
user
first_name: Sandor
last_name: Heser
middle_names: []
temporal:
- start: 1615
  end: 1670
  type: life_span
- start: 1645
  end: 1665
  type: flourished
titles: []
extra_info: []
assistant