Make up similar dialogues of your own. You may use these

-hello 
-good morning
-is this seat empty
-yes there three seat, you can sit to each another
-what is happening there
-there is perefomance on morning
-what there would happen?
-the boys show their forces in the circle you must stay there front row


-why they on a seat in the stalls is this possible
-no stay front row and dont talk they can sold out your seat
-where are we?
-we are in the middle or back rows