That Touch of Mink (1962)

Cathy Timberlake is en route to a job interview when a car transporting businessman Philip Shayne covers her in mud. He sends his assistant, Roger, to apologize, but upon meeting Cathy, Roger knows that she would be a suitable match for his boss. Despite their mutual attraction, Cathy and Philip want different things. Philip wants a fling, while Cathy wants a marriage. As they travel to exotic locales, their differing motivations are put to the test.

Source: TMDb