What if the hotel room is full and there are guests staying?

You can say to him, "Sorry, our room is full. Is it convenient for you to stay in another hotel? " ? If it's inconvenient, we can help you contact a nearby hotel. Do you mind staying in their hotel? We can ask them to send someone to pick you up. Or if you don't want to, we can call a taxi for you. You can take a taxi. Do you think this is okay? "So the average guest will agree.