David: hello, power masters. mrs brown: hello, can i speak to david, please? david: speaking. mrs brown: david, hi. this is helen brown. david: oh, hello mrs brown. what can i do for you? mrs brown: well, i have no electricity in my house, i'm in the dark. david: right. i'll come over and have a look. mrs brown: thank you. jae: good evening. could 1 speak to mr campbell, please? mr campbell: mr campbell speaking. jane: mr campbell, this is jane from the warren avenue flat. mr campbell: hi, jane. what's up? jane: well, there's a problem with the flat. the heating doesn't work. mr campbell: right. i'll send the plumber over. jane: thank you.