The expression of “ Would you like....”is normally used for offering something to someone.
Putri : Would you like a cup of tea, Mrs. Rani?
Mrs. Rani : Yes, please. Thank you. Hmmm...this tea tastes good....and smells fragrant too.......
Putri : Thank you. I’m glad you like it.

Ways to say it
* Would you like a cup of coffee, Mr. Green?
* Should I get you a bottle of water?
* Could I offer you a glass of milk, Mr. kiki?
* Would you care some salad?

Offering to friends:
* Want some?
* Have some?
* Chocolate?
* Grab some for yourself

Less formal expressions:
* Would you like to have a pancake?
* Why don't you have some lemonade?
* What can I get for you?
* What will you have?

Declining an offering
* No, thanks.
* No, really won't, thanks
* Not for me, thanks.

Accepting an offering:
* Thank you.
* Yes, please
* I'd like it very much
* That would be very nice