dalliance

dal|li|ance /d'æliəns/ (dalliances)
1 [N-VAR] oft N with n
If two people have a brief romantic relationship, you can say that they have a dalliance with each other, especially if they do not take it seriously. (OLD-FASHIONED)
2 [N-COUNT] oft poss N, N with n
Someone's dalliance with something is a brief involvement with it. (OLD-FASHIONED)
...my brief dalliance with higher education.