Being rude

Being rude Sometimes when I talk to a stranger usually to ask about something I do my best to not stutter and end the convo ASAP so today I was asking someone about the location of a specific building in my college (he was a little bit talkative) and when he explained to the location I just nodded my head and said thanks and was going to walk away but I realized he didn't like it and thought I'm rude then he continued talking and explaining further the location again I speaked a little and noded my head once I noded my head again he started speaking a lot faster and just walked away I'm don't know wtf to do in these situations I tried to be social and talkative, it didn't go well tried to be less talkative, people see me rude