What are your chances
Here is an application that calculates your probability of success in chatting up a girl

 
Your wit, How smart funny and engaging are you ? out of 100
How aggressively are you willing to pursue this endeavor ? out of 100
How attractive are you ?
How attractive is she ?
Probability that she has a boyfriend ? 100 = 100% has boyfriend
 
The probability of success is 0%