Date & Name & TIcket NO
But are you sure that you really need to? In many situations, you can use merge fields to create on your layout what looks like concatenated data but what is really simply a set of merge fields in the same layout text object.
My Favorite Text Calculations
Label fields — Smart concatenation
Combining two or more fields into a single field- concatenations explained
How do you combine two or more fields into a single field?
Concatenating a Quote Mark in a Calculation Formula