How bad is it to reschedule a job interview twice?

My little sister had a really bad MS attack, and needed to be rushed to the hospital. I had to come and stay with her, and had to reschedule my job interview twice. It's for a seasonal job at a store. I only need it while I'm off of school. Should I just forget about the job? Or will they understand because... show more My little sister had a really bad MS attack, and needed to be rushed to the hospital. I had to come and stay with her, and had to reschedule my job interview twice. It's for a seasonal job at a store. I only need it while I'm off of school. Should I just forget about the job? Or will they understand because it was an emergency?
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