对不起你好吗没关系我还好
[duì bù qĭ nĭ hăo ma méi guān xì wŏ hái hăo]
'I'm sorry, how are you? It's okay; I'm fine.' combines multiple casual greetings and responses into one sentence. This expresses a polite exchange with a tinge of formality and self-composure despite underlying emotion.