Happens a lot! Advise her to get a few stamps in her passport so the US can feel confident that once she arrives she is later going to leave! A professional job back home also helps.
The ask:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.