Do the exam task. You bought tickets for the London concert of your favourite singer and a return flight to London. Unfortunately, the concert was cancelled. The organizers promised to refund the concert tickets but not hotel bookings or flights. Write an email of complaint to the organizers in which you: ▸ say what event you booked tickets for, ▸ explain the problem, ▸ suggest a possible solution and/or ask for a refund. Write a formal email of complaint of at least 100 words. Start your email in an appropriate way.