Verb conjugation of "kreisen" in German

Please take into account, that on May 10 and 11 there are holidays in the United States and that we do not work on Saturday. This will leave only the 15th, 16th and 17th for a company visit.
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.
There are great museums if you like art. The most important is the Van Gogh museum. There are good restaurants and bars in the center, it is very international. I hope we can stay in touch.