Send them a letter mentioning how great technology is but occasionally fails, as in their case. Let them know you're willing to assist but you do require a bit more information on their home search, housing needs, etc. The second option would be to door knock their street. Five houses on either side of theirs and 5-10 across the street.
See what our clients say on this subject on our Facebook group: https://www.facebook.com/groups/ALClients/permalink/1338285126349368
