Final answer:
If someone refuses to show their identification at check-in, you must insist on seeing it. If necessary, report the incident to the authorities for further assistance.
Step-by-step explanation:
If someone refuses to show you their identification at check-in, you must insist on seeing their identification before proceeding. It is important to verify the identity of individuals for security purposes and to ensure compliance with laws and regulations. By insisting on seeing their identification, you are prioritizing safety and following proper procedures.
In some cases, if someone refuses to show identification, it may be necessary to report the incident to the authorities. This is especially true if there are concerns about the person's intentions or if it is a requirement by law to report such incidents. It is always better to err on the side of caution and involve the authorities if necessary.