What happened to Charlie in Sweet Dreams?

In the movie "Sweet Dreams," which is a biographical drama inspired by the life of country music singer Patsy Cline, there is no character named Charlie. The movie primarily focuses on Patsy's rise to fame in the country music scene during the 1950s and 1960s, her tumultuous personal life, including her two marriages, and her tragic death in a plane crash at the age of 30.