Please improve and correct the following text: "NAME_1 spoke to several responsible persons in the Ausländerbehörde. She found out that your working permit will not be ready for the first of August.

Therefore we cannot employ you as a normal employee and have to change your working contract to a starting date when your working permit is ready.

However, if you are still a student, we can offer you a contract as a working student for the time in between.

"