Whats the name of this movie?

okay it's an older film, i saw it a couple years ago and these two girls travel to australia, and one of the girls was blonde and she witnessed a robbery, and one of the guys robbing the bank memorized her, and she met him at a bar later on, and they saw eachother throughout the whole trip, and then it skips to the future, where her son has some sort of transfer that needs to be done by the father, and they figure out that her husband isnt the father, and its the guy she meets on vaca, so she travels back to find him, and alll this action happens... please help ! ive been dying to figure out the name of this movie. i saw it on the hallmark channel