Parse this person name:

Pamela Alexander, 1689-1739, flourished 1705-1731
user
first_name: Pamela
last_name: Alexander
middle_names: []
temporal:
- start: 1689
  end: 1739
  type: life_span
- start: 1705
  end: 1731
  type: flourished
titles: []
extra_info: []
assistant