I arrived in Mexico City at around midnight from St Louis for a four-night stay. Sonia graciously offered to pick me up from the airport and arrived at the terminal promptly. Sonia and her husband are friendly and welcoming -- they even introduced me to their lovely family. The accommodations are simple, but clean and secure. If you want an authentic experience of CDMX outside of the usual tourist spots, check out Sonia's place. Highly recommended!