Arrive to day at YYZ Domestic MLL, late from Ottawa, trying to get info on a flight to YVR. The very rude agent at the door was more interested in my u/g and ticket than she was in answering my question. She insisted that just because I was using an u/g it did not allow me to use the lounge for her services on the flights. Even after I pointed out that it was a SE u/g and I had my card in hand, she insisted that she was doing her job and lots of people try tip get ion her