Translation of Gleiter

There is a small misunderstanding about the homework. I can do them, but they will be too confusing? I am trying to find the article from where I took the sentences in order to ease the task for all students.
Could you please read the following offers in a critical manner and confirm it before I will send it? I have also mentioned the warranty and the software in the offer, because it was requested by the customer.
I will fly back next year and work there half a year for my studies. When did you come to Austria? What's new? I am so happy that we can communicate. Excuse me that I have not written back sooner.