Hello @SusanaMaximiliano and welcome to TrustedHousesitters and to the Community Forum 
As @Julie_A mentioned, you can add your TrustedHousesitters profile on to your profile of here by following the attached link, should you wish. This will enable others to offer helpful advice and feedback. If you have any issues or further questions when trying to do this, please do not hesitate to ask, we are all more than happy to help.
https://forum.trustedhousesitters.com/t/how-to-add-a-listing-or-profile-link-to-your-forum-profile
I have a particular love for South America having visited on many occasions, whereabouts in South America are you at the moment?