Terrible service by travel agent

We booked with Thompsons for a recent trip to Kenya. We struggled to get hold of our agent and when we did the quotes continually changed. Once paid she then informed us she had quoted the incorrect amount for our seats and we would have to pay in more. We missed our flight as we had been ill informed of COVID tests before travel. We then had to book new flights and pay change over fees which they had advised would be refunded. We waited weeks for promised refund and when it came they only sent half the amount. Please do not even bother and rather book with Flight Centre.