liaise
verb [ I ]
uk/liˈeɪz/ us UK
to work with someone in order to exchange information with them:
I regularly liaise with the chairman of the audit committee on larger British incorporated institutions.
to work with people in different groups, departments, or organizations in order to ensure information is exchanged:
We liaise with the department to get an accurate job description and forward that to the agency.
Nicola had to liaise between the client and an angry hotelier.