Final answer:
The ambiance and service quality are two critical factors that influence a customer's dining experience, along with menu design and the nutritional value of the offerings.
Step-by-step explanation:
Two things that significantly influence a customer's dining experience are the ambiance and the service quality. The ambiance includes various elements such as lighting, music, seating comfort, and overall restaurant cleanliness. A well-designed, comfortable environment can enhance the customer dining experience by creating a positive mood and setting the stage for an enjoyable meal. On the other hand, service quality -- which encompasses the attentiveness, friendliness, and efficiency of the staff -- is vital. Customers expect prompt and courteous service, whether dining alone or as a group, and whether they're there to eat or to study. Another point to consider is the menu design and nutritional value of the food offered, which aligns with customers' health and dietary preferences.