Translation of Kontur

I need to write you one more sentence. This is what my teacher told me and the German language is so difficult. So please, as a last favor, would you please write the sentence for me in German?
Before you make a reservation we need to check whether it has car parking, please wait. I will be in Switzerland next week. I am trying to get 4 or 5 days off. I will be back on the end of the year.
Yes, depending on demand. Vocabulix is a free service, but no one wanted to finance the German voices yet, which cost a little bit, so we started with Spanish and English which has higher demand.