1. what is the purpose of each dialogue below ? a. x : hello, parkway accounting department speaking. can i help you ? y : sure. this is john robert. i'd lke to speak to mr.wibowo. x : i'm sorry. mr. wibowo is in a meeting right now. can i put you through his voice mail ? y : no, thanks. i'll try back later, i just have a couple of quick questions about deductions for my tax returns. b. x : every time i call your number, i get a busy signal. y : how often have you tried ? x : every hour. i'll try one more time.