Tips For good customer service . Customer service is the assistance and advice provided by a company to those people who buy or use its products or services. The level of service rendered to guest is what determines the revenue of any aspect business in the hospitality industry. Tips: 1. Customer service starts with the first person the guest comes in contact with 2. Guest satisfaction should be number one priority 3. All guest should be pampered 4. Treat all guest complains with urgency 5. Avoid all forms of over familiarity with guest.