Hi @Danielle130,
Welcome to the Community Center! This sounds like a strange situation, particularly if they communicated well before they arrived. If they are not responding to your messages I agree with @Helen3 that you should contact Airbnb directly to ask for their support - this Community Help Guide explains the best ways to get in touch with them.
I haved moved your post here to a new thread, as the Q&A thread is for more general questions about Airbnb to put to the Founders. Here in the Community Help board it will be easier for other hosts to see it and help you! I have given it a title, please let me know if you want it changed!
Kirstie