Simple yet impactful soft skills are:

1) Smile. Smiling is contagious. Don't keep it to yourself.

2) Respect everyone equally. A reputable CEO and an unknown associate deserve the same level of respect. Treating everyone equally shows that you’re a real person.

3) Greet people first. Greeting people first is considered as a good deed and it can really lift someone up, especially the introvert / shy.

4) Call the people’s name. “Thanks / Thank you.” and “Thank You, Raj.” - Which is better?