Travel Request WF query.

Hi Experts,

For a travel request, can we build a workflow which requires 4 levels of approvers belonging to different departments?

Example: 1st level Team Lead >2nd level SM >3rd Credit dept.>4th Finance dept.

If yes, then can this be achieved  by:

  1 Using specific OM relationships/with standard approach?  

  2 OR do we need to customize above process in WF?

Thanks for your help!

Br,

AB