Spanish Lesson No.3

Sitting in a cafe outside the internet shop a pregnant woman came up and started talking to me about the telephone [telefonica]. After much blank looking and her trying to explain and point it transpired she wanted to borrow my pen:

¿Puedo (can I) coger prestada (borrow - with the female a ending) su (your) bolí (pen - shortened version)?
[apologies for no pronunciation lesson today]

So having lent her my pen, she went over and had her telephone conversation, wrote down her number and returned it to me.