Review of Global Flight Centre Ltd

recently I sponsored my mum n sister to visit Canada. 4weeks later they called my sister to let her know that she got her visa, and she can come n apply for transit visa to usa now. 3 days later her husband goes to pick the visa, and then they hand out a letter stating that her application got rejected. what a poor service, don't know if they could even understand what the content in the letter was. never going to use this agent again. thanks for providing false information.