Why would he say something like that?

I can’t read his mind but there is more to just this incident but I kinda thought he liked me a lot of others mentioned too but when he said that at the end it made me question to why he would reply like that, I do unloading as part of my job he is the dock controller at the end of the day he starts a conversation with me I was about to leave, we start talking than he mentions how I done “0” trailers today, I look up at him and say there is no way I could have done 0 trailers bc I know I did more than one for sure and than I mention and say by the way the last One me and this guy worked on it together his other friend interrupted us and says “ he can change it for you ONLY you.. there was a pause for a second he says something like yeaaa rightttt I can’t remember exact I didn’t say anything back..

Why would he say something like that?
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