I know there are various older texts writers can mine for period dialogue, but one my kids sent this link over which some people may find useful, as it's an attempt by a traveler in 1586 to document everyday English phrases:
From: Familiar dialogues : for the instruction of them, that be desirous to learne…
Familiar dialogues
www.gutenberg.org
From: Familiar dialogues : for the instruction of them, that be desirous to learne…