Answer:
My advice would be to create a document that makes a schedule among customers. To organize the service and allow him to be able to serve everyone.
Explanation:
As agent Suma had many requests, it is necessary for him to organize and develop a service order so that he can help all customers satisfactorily and efficiently. In that case, it would be advisable to advise you to establish a service schedule, which would put customers in order and allow each one to be served at a specific time. That way everyone would be served, the agent would have an organized and well done job.