A : "Hey B, you look tired, are you thirsty?"
B : "Yeah, i'm thirsty"
A : "Do you want some soda? i'll buy some for you"
B : "Yes, thank you, that's a very nice of you" 
Terimakasih :)
Kalau percakapan tentang suggestion tapi pernyataan nya sama. Itu bagaimana???
A : "I'm thirsty, what should i buy?"
B : "I suggest you to buy some iced tea, because it's so hot here"