Translation of analyst in German

So she and I went to the food store to buy some lunch. However, the store had almost no food and one could pay in local currency or in US dollars. One could really see the country's poor economy.
Nevertheless I think that we need to communicate. All in all, we will learn a lot from each other, mostly by writing, but speaking exercises are also really good for your Spanish skills. Is this OK?
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.