Write about a what happened when you missed a connection. This could mean writing about missing a flight and what you did in the airport waiting for the next flight. It could be the time you missed a train because you slid on ice and wiped out in front of a group of strangers (no comment). It could mean “missed connection” of personal ads fame, of a person to which you didn’t say hello. Or, maybe it means something else entirely: a missing spark, an ill-fitting situation, missing something now gone.
You got this. Go for it.