1. A method comprising: under control of a computing device configured with executable instructions, identifying a first virtual assistant from among a plurality of virtual assistants that are associated with a first entity, the first virtual assistant being associated with a first persona; identifying a second virtual assistant from among a plurality of virtual assistants that are associated with a second entity, the second virtual assistant being associated with a second persona; causing the first virtual assistant and the second virtual assistant to communicate; and causing a first dialog representation and a second dialog representation to be presented in a conversation user interface illustrating the communication between the first virtual assistant and the second virtual assistant, the first dialog representation being presented with the first persona of the first virtual assistant and the second dialog representation being presented with the second persona of the second virtual assistant.