Translation of gale in German

My husband wants to see the places his parents come from. They're from Michigan. And I'll take the opportunity to visit my brother in law in Carolina, he is 63 years old. Towards the end of the trip we will attend a conference.
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.
For my future job it is important to speak English and to be able to write it. What are you studying at university? If you are not very busy, I'd be very happy if you write me.