Agoda Refuses Full Refund After Gulf Air Cancelled Flight

I booked a Gulf Air flight from Singapore to Manchester via Bahrain for 17 March for a total cost of £220. I recently discovered, only after checking directly with Gulf Air, that this flight has been cancelled, even though the company I booked with never informed me of this cancellation in any way. When I contacted the company about the situation, instead of explaining why I was not notified, they simply told me to click the cancellation button and that they would refund only £150 of the £220 I paid. In other words, I am being asked to accept a financial loss even though I did not cancel the flight myself and was not properly informed about the airline’s cancellation. I find it unacceptable that I am being penalised with an effective cancellation fee when the flight was cancelled by the airline, and I received no notification from the booking company. I request a full refund of the £220 I paid, without any deductions, and a clear explanation as to why I was not informed of the flight cancellation in a timely manner.