1. A method for operating an automated assistant, comprising: at an electronic device comprising a processor and memory storing instructions for execution by the processor: obtaining a text string from a speech input received from a user; deriving information from a communication event that occurred at the electronic device prior to receipt of the speech input; interpreting the text string to derive a plurality of candidate interpretations of user intent; and selecting one of the candidate user intents based on the information relating to the communication event.