Straight Talk 1992 on netflix

Honest and straightforward small-town Shirlee Kenyon chucks her boyfriend and heads for Chicago. Accidentally having to host a radio problem phone-in show, it is clear she is a natural and is hired on the spot. But the station insists she call herself Doctor, and as her popularity grows a local reporter starts digging for the truth. Problem is, the more he is around her the more he fancies her.