Lost iphone

Unfortunately, you will need to look for the phone the old fashioned way.

If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support

Be on the alert for any messages or emails that you might receive that claim to be from Apple or Apple Service telling you that the phone has been found, but you will need to provide a few "details" so the phone can be returned to you. These are scams that are trying to trick you into revealing your Apple ID and Password so the bad guys can get into your phone.

If your daughter has a phone number

you can call the phone number and look for where the sound is coming from🤗

but if your daughter doesn’t have a phone number, then you’ll have to look for the phone the old fashioned way