How to Pronunciate a Word Correctly

I was corrected by I think we were talking to that woman on the plane who was really scared of flying. We were like, oh, we're going to Cavie. And you made an effort to say it properly. She went, oh, Caddis. Yeah. Although actually thinking about it, when somebody who has a different accent to me in British English, they say a word and I don't recognize it immediately. And then I confirm the word by using my accent. Stacy gives me a hard time for this. Like, for example, I don't say it like this. But if one of Stacy's relatives was to say she was on the grass and I said,