If I am free, I can help you. But if my hands are full and I am at the risk of missing my deadline, who care your miss yours. It is your responsibility to have it done. If you cannot have it done, you can tell the manager and let him reassign it to me, then it is my responsibilty and he will give me the priority if I am full with other tasks. Babysitting is never at high priority in everybody's list.
But it seems she doesn't have good relationship with her coworker, that is another reason that he will not help.
But it seems she doesn't have good relationship with her coworker, that is another reason that he will not help.