Need a furnished apartment/room in Cali (Bogotá)

Hi all, a friend of mine from Japan needs a furnished apartment or room in Cali for her and her 2 years old son. The preferred length of stay: 4 months and budget Protected content pesos.

Also, if anybody knows a good website for apartment search in Cali, please let me know too.

Thank you so much for your kind attention.
Takuma