Dave: Hi, John. Dave here. John: Oh, hello, Dave. 1 ? Dave: Fine, thanks. Listen, just 2 . John: Yeah, go ahead. Dave: Do you think you could 3 the fax number for Workplace Solutions? I can't get through to them. Their phone's always engaged(占线的) . John: I‘ve got it 4 . It's 027 8843 9671. Dave: Sorry, I didn't 5 the last part. Did you say 9661? John: No, it's 9671. Dave: OK. Thanks. Bye. John: Don't mention it . Bye.