Can anyone tell me if there is way of including a date picker within a userform...

I have two fields that require completion <Ref No> and <Date> which I then want to merge to form a single response, i.e.

Prompt...Enter Ref No.
Prompt....Enter Date....select from picker.

Submit response, which would be displayed as follows...

XXXX/22JUL11

where, XXXX = Ref No.
Date formatted as displayed