parley with (one)
To hold a formal discussion or conference with one. We've been trying to parley with the leaders of the insurgency, but so far they have refused to open a line or communication. I suggest we parley with directors of each company and attempt to find a resolution.
parley with someone
Fig. to talk with someone. I need to parley with my brother before making a financial commitment. We need to parley with each other sometime soon.