Parse this person name:

Melissa Letta, 1621-1668, flourished 1636-1661
user
first_name: Melissa
last_name: Letta
middle_names: []
temporal:
- start: 1621
  end: 1668
  type: life_span
- start: 1636
  end: 1661
  type: flourished
titles: []
extra_info: []
assistant