Local tailor for dress?

Hi! I have a dress for a special event that I ordered online but it's a bit too big (it's strapless) so I'm looking to get it tailored. I would need it in about 10 days, and I'm hoping to find somewhere that wouldn't be too expensive. Is there somewhere you would recommend/ have had good experiences with? Thanks a lot!!

(also posted this to r/kitchener so sorry if you've seen it twice!)