Parse this person name:

Robert Turner, 1214-1254, flourished 1244-1249
user
first_name: Robert
last_name: Turner
middle_names: []
temporal:
- start: 1214
  end: 1254
  type: life_span
- start: 1244
  end: 1249
  type: flourished
titles: []
extra_info: []
assistant