English: Good. Jamaican: Irie
English: Hello. Jamaican: Wah gwaan?
English: How are you? Jamaican: Yuh alright?
English: Thank you. Jamaican: Respec
English: You're welcome. Jamaican No problem / Bless Up
English: Goodbye. Jamaican: Laters man
Please note that Jamaican is a dynamic and nuanced language that includes local variances so you some variations. To better capture an authentic translation it's advisable to immerse yourself in local contexts while having someone familiar explain them Jamaican words phrases and cultural expressions.