Douzo どうぞ

Adverb meaning: please, certainly, sure, here it is
1. Used in imperative sentence
どうぞ座ってください。
Douzo suwatte kudasai.
Please sit down.
こちらへどうぞ
Kochira e douzo.
This way, please.

2. Used in reply to a request
「電話を貸してくれませんか。」「はい、どうぞ。」
< Denwa o kashite kuremasen ka. > < Hai, douzo. >
< Can I use you phone? > < Yes, certainly. >
「ちょっとペンを貸してくれませんか。」「どうぞ。」
< Chotto pen o kashite kuremasen ka. > < Douzo. >

< Would you lend me your pen for a while? > < Sure. (Here it is) >