Reality in common usage simply means human perception - about the thing he/she perceives, and thinks that the thing is right.
In philosophy text reality has a deeper meaning, referring to the recognition and realization of the eternal truth, but not any perception. Better refer to Kant's masterpieces.
Okay, I will just answer this in a philosophy's way.
According to Socretes, the only way to find out answer is just by chatting with others. Definitely each person has their own reality. However, they have to find it out by experiencing life. Therefore I think finally those two people will find out their most suitable reality.