[Daenerys doesn't engage his offer of help. It doesn't feel right to accept -- and it would require her to ask for help, which she had never been very good at doing to begin with. So, rather than engage with that directly, she decides to finally broach the topic that she'd been avoiding.]

I spoke to your father at length after you both disappeared.

[It isn't said like "we need to talk" levels of gotcha, but it indicates she may feel reluctant to have this conversation with him.]

I was not intending to speak of you or Rey, but I suppose he felt obliged to reach out when he realized you were both gone.