Here are some useful materials for your preparation. Audio of the dialogue (NEC p. 258 ex.8). Notes on stress patterns of different conversational formulae. Credit questions!
Online exercises to practice some aspects of pronunciation:
Watch the videos of your fellow students, vote for them and don't forget to send in yours if you haven't done it yet. Don't forget to upload it on YouTube and share a link (germanic.department@gmail.com).