How do I take this if any? U.K.?

I started a new job as a waiter in a new pub and all night these 4 girls who were there a few hours (only 2 of them are involved here) later in the night near closing it was quiet and the blonde girl skipped up stairs to the toilet kept looking back at me down the stairs and girl , a while later I walked around the corner to where they were sitting and that blonde girl was looking at me and I didn’t look away for a few seconds and then I looked away, then I heard her say to her brunette friend 'that lad just been staring at me' in am intrigued whisper way. another while later I was cleaning a table and the brunette how do you get a job in here etc etc, and asked me if I knew a girl that worked in there (where I work) I said yes and she smiled and said 'she likes you' and they all burst out laughing, I then went back to finish cleaning the table and then the same girl asked 'can I ask you a serious question?' I looked then she says 'have you got a girlfriend?' She said it nicely by time of voice I ignored her, she then asked again, her friend said 'aww leave him alone he’s dead cute’ and then ‘he probably has’ (probably has a gf) (cute like puppy dog cute is that bad?) and smiled at me, I continued to ignore them, and that girl said aww leave him alone now hes fuming, I wasn't I just felt uneasy, did they like me or mocking me?