@Michelle1128, I agree with @Helen3. I like to see verifications on the guest's profile as well as some information filled in. When I receive a request with none of this and see they are new, I welcome them to Airbnb and explain that almost all hosts will require this information, asking them to fill in their profile information and complete a few verifications.
Most of them have understood and complied, allowing me to complete the booking and the stays were successful. In the future, I would not be afraid to say no to guests you have doubts about and who do not have the necessary information you require.