She stopped replying after you picked a specific date and time

Before you named a time, you were a possibility. Once you did, you became a decision. Some people enjoy the texting part and have no intention of meeting. Others are talking to multiple people and only say yes to the one they're most excited about. A few actually did get busy or nervous and need space.

The silence after a specific ask is not ambiguous. It's a no delivered without words. You can tell because she had a clear choice in front of her and chose not to respond. That choice means something.

A good reply does two things. First, it removes the awkwardness of the silence without demanding an explanation. Second, it gives her permission to bow out without feeling like she's letting you down. The tone should be light and matter-of-fact, not hurt.

The move is to restate the plan briefly, give a small reason why it works, and add an easy exit clause. Something like 'if that doesn't work for you, totally fine, just let me know.' This tells her you're not needy and that a no is acceptable. It also gives her a reason to respond even if the answer is no, which is better than ghosting.

Send your first message with the specific date within your initial conversation, then stop. If she doesn't respond within 48 to 72 hours, you're allowed one follow-up that gives her a clean exit. After that second message, stop texting. Do not send a third message.

If she goes quiet after your second message, she has told you no and you need to move on. Treat this as a closed file. Do not circle back later or try a different angle. If she suddenly messages you weeks later with an excuse and wants to reschedule, you can decide then whether you care, but do not chase.