Bytes Cafe

I walked up to the counter and the server at the till said hello. I responded with a "Hello, how are you?" and started looking a the food items on display. I looked up and asked how much a sandwich costs but the server started a conversation with another server. I was 3m from them, in front of them, looking at them, waiting for a reaction but their conversation continued. I waited through several sentences of their exchange but with no further acknowledgement of my presence I left.
This is the worst customer service I have experienced in a long time.