Simplify the following text for a Grade 6 native English-speaking person.
Original: She agreed to appear in Let 's Make Love , which was to be directed by George Cukor , but she was not satisfied with the script , and Arthur Miller rewrote it .
Simplified: She agreed to appear in Let 's Make Love , which was to be directed by George Cukor . However , she was not satisfied with the script , and Arthur Miller rewrote it .