Could I somehow add an additional requester lookup as an input field?

Could I somehow add an additional requester lookup as an input field?

We have a service catalog request for onboarding/offboarding. It would be great if we were able to add an additional field that would lookup a requesters name, instead of the form filler manually putting in the first/middle/last name of the employee that needs provisioning. Is it possible to inject the same requester name field/lookup, elsewhere on the form and bind it to a data field? basically the "search requester" input method. 
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