I judged her ....which i should not done that

This happened a few days ago .. around 6:30 pm I boarded LRT which is absolutely packed with people. Therefore I attempt to enter into  it and successfully bind to the mast for a while . While waiting for my station , there was a girl standing near door and looking at her behaviour ...she seems tooo arogant with little rude  facial expressions (like staring at ppl including me ) I choose to ignore her but then after while , there was one old Chinese lady with luggage (seems like stall bussiness lady) and once she enter the train ...her luggace trip or hit(not sure) the girl leg and even after the lady said sorry , , this girl dont even bother to smile or react .  I assumed she little angry wt the lady . ALL she can do looking down her leg . I found its really annoying , thos old lady just dont know what to say and just keep quite .

This girl then turn her body facing me in which im kind of annoyed to see her rude face.  
Suddenly , I felt my phone in handbag vibrating and while in attempt to answer my phone (important phone call) I dropped my token (blue token) and I just continue talking and search for the token at same time.  Nobody helped..exept this rude girl ( I assumed at first )
She bend her body and looked down the luggage trolley which the old lady one and ....when she do that ...the lady moved her stuff for a while ...and there's my token hiding there. 
Ceh .....she took my token and hand it to me with smile and her other hand was holding mp3 and then i realised she was listening to music(thats y c dont reacted to the old lady previously)
I feel guilty .....judging her tooo fast ...When no body even bother to help she bend down her body to find my token ..I thanked her  and luckily my station arrived .Before I left I once again thanked her and she said fine and  waved bye at me .
All the way home , I thinking the whole incident and yeah god wants me to dropped the token so that I can be taught of who she really are. 

After that I rarely judge people and avoid being rude and smile at every one even when they stepped on me in a packed train....urgh its still pain...