Me: Is 5:30 OK?
Them: Can't hear you.
Me: Is 5:30 OK?
Them: Can't hear you.
Me: Is 5:30 OK?
Them: Can't hear you.
Me: I'll WhatsApp you, then you can read it.
Them: We're in the same room I'm not going to talk by WhatsApp.
Me: Is 5:30 OK?
Them: Can't hear you.
LTB?