How old is she, 19 or 29? If the former, leave her alone, and she will date when she is ready. If the latter, then you need to assess why she doesn’t want to get married (i.e., has she lived through a bad parental role model of their marriage). For a frum girl, that is a very unusual way to feel at that point in her life.
Shidduchim are ALWAYS a gamble, and the longer one waits (again, if older, and not 19 or 20), the harder it will be later on. No one should be pushed into doing what they don’t want to do if they are not yet ready and they are very young. It just causes resentment.