Anyone who thinks we'll ever travel to another solar system really truly fails to understand the distances involved.
The furthest humanity has ever travelled, by way of analogy, is a couple of millimeters - to the moon. The nearest star system relatively speaking is another 200 kilometers further.
And sure you can appeal to the "well you never know what humans are capable of in the future" line of thinking, but that's really just star trek fantasy - there's not the remotest chance, nada, never.
Here's a fun video that explains and will totally dismiss any idea that we'll ever get there - apart from Star Trek fantasy: