Douzo otamae shi kudasai meaning or something that sounds like tis. i know kudasai and douzo are please. i heard tis being used in shop. what is the meaning of the sentence?

douzo ohairi kudasai is often used by shop keepers if customers are unsure whether to go into a shop or not but i suspect that "Douzo otamae shi kudasai" if you heard it write is osakaben (osaka dialect) for the same