What is the main conflict in One of Those Hideous Books Where the Mother Dies by Sonya Sones?

Fifteen-year-old Ruby Miliken has just lost her mother to cancer and is flying from Boston, Massachusetts, to Hollywood, California to meet her movie star father, Whip Logan, for the first time. Ruby is leaving behind her best friend, Lizzie, and boyfriend, Ray, to live with a man she has never met.