I agree with Nai. I'd appreciate hearing it at interview, and it wouldn't have any bearing at all on my decision to hire (the right person). This is the same advice I gave when working in recruitment.

In my view, an employer who chooses not to hire you for taking a pre-arranged holiday is not an employer you want to work for (I guess with the exception being urgent operational reasons).

Good luck with the job hunt and have a fabulous trip!