ESSAY. Give a solution on the situation usually happens in hotel

One day, a guest arrived at the hotel who is staying for 4 days and 3 nights and his luggage was lost in the airport during checking in. The guest was very angry that he wanted to check-in immediately, unfortunately the room was not yet ready and he will wait for 4 hours to check-in because he arrived at the hotel at 10AM. As the front desk clerk on duty, what is the possible solution would do in this situation.