Hello how may I help you? are Phantom of the Opera and Cabaret showing at the same time today? Yes, they both begin at 6pm today where are they playing? They are playing at the Royal Opera House can you purchase tickets to them both? Yes, how many tickets would you like to purchase? 4 tickets to each please! I have purchased four tickets for Phantom of the Opera and four tickets for Cabaret thank you that should be it Have a great time, goodbye!