blame	to say or think that someone or something is responsible for an accident, problem, or bed situation
call center	a palce where a large number of people are employed to deal with customers by telephone
calm	not affected by strong emotions
confirm	to tell someone that something will definitely happen at the time or in the way that has been arrang
dissatisfied	annoyed because something is not as good as you expected it to be
discount	zniżka
lose your temper	stracić panowanie nad sobą
deal with	zajmować się
interrupt	przerywać
put through	połączyć
exchange	wymiana
to be reassuring	być pocieszającym
sympathetic	sympatyczny
outgoing personality	otwarty
ability to persuade	zdolność do nakłaniania