Given the following scenario:

Customers go to Great Day online travel agency to book flights and hotels. Once a customer provides their personal information such as their full name, address and phone number, they can book a trip. A trip includes details about flight and hotel information. Each trip is given a unique reservation number.

Trip would be a$($n$)$:

Attribute $[$non identifier$]$

Relationship cardinality

Attribute $[$Identifier$]$

Entity

Relationship