Translation of squirm in German

Thanks a lot. Today and tomorrow are holidays in Switzerland, but I'll do it Tuesday first thing in the morning...please have a look at it and confirm. Where do you want me to place a reference?
After our system update, lessons will be saved for 30 minutes automatically, if you want to save them permanently, you need to press the 'save lesson' button. It than works the same basically.
She could not join me since her flight to Israel was supposed to leave in less than 48 hours. I helped her carrying the bag to a hostel in Cancun and we went together to the airport. I postponed my flight again.