Parse this person name:

Adam Ramsey-Johnston (1703-1776, flourished 1721-1751)
user
first_name: Adam
last_name: Ramsey-Johnston
middle_names: []
temporal:
- start: 1703
  end: 1776
  type: life_span
- start: 1721
  end: 1751
  type: flourished
titles: []
extra_info: []
assistant