If none of them cancel or are late (which is unlikely) proceed with the one you like most and reschedule the others.
When rescheduling, make sure you reiterate your interest in seeing her.
In the world of dating in Colombian women, it is fine to be a worldly, confident beta and to compliment a woman.
It is important to understand the violent past of Colombia and its effect on the psyche.
They seem to have even more local pride than national pride. I recommend the following for dealing with flakes: Don’t automatically “next her” because she flakes.
Also, your dates will go much more smoothly with a bit a Spanish. It is the best way to get rolling with your conversational Spanish.
One of the consequences to be aware of while dating in Colombia is the high flake rate among the Colombian women.
Developing a flexible state of mind and “go with the flow” attitude are essential.
Accept that plans are Fluid, not set in stone and are subject to change.
Establishing comfort and rapport should be your first task.