Differentiating tasks - Phone

In this lesson, students form pairs and practice conversing using the dialogue given. The teacher gives a destination card to each student. Students take turns to pick a strip of paper and call out the telephone number in order to invite someone to go to the destination on their card. The person whose number has been called answers, and s/he is invited to go somewhere. If the destination matches, s/he accepts the invitation, otherwise s/he refuses.