Ask for information. Pay a compliment

1. 
   Ask for information.
   
2. 
   Pay a compliment.
   
3. 
   Comment on something pleasant.
   
4. 
   Introduce yourself.
   
5. 
   Offer help.
   
6. 
   Ask for help.
   
7. 
   Mention a shared experience.
   
8. 
   Ask for an opinion.
   
9. 
   Praise the person.
   
10. 
    Show genuine interest.
    
11. 
    Ask about them.
    
12. 
    Make an observation.
    
13. 
    Comment on the weather.