Came to drink coffees before accompanying friends ...

Came to drink coffees before accompanying friends in the station, bad reception and no service, forced to ask that we come because the waiter went on break. Lemonade degasified ... it's expensive the glass.
I find on the table the Iphone of previous customers that I will kindly bring to the bar: "ok it works" that they answer me, and thank you very much it would encourage customers to be more civic-minded!
Atypical place, however, bad experience at the bar