CarSearchParameters is a struct that is sent from DF to the webhook.

Conversation holds information about the conversation.

Entity is the representation of an entity.

Input are the user inputs.

OriginalRequest is the initial request.

Request is the main dialogflow request.

Response the structure of the expected response for dialogflow.

Result is the result of the request.

Status is the status of the request.

User simply holds the user ID.

Entities is a slice of Entity.

Inputs is a slice of Input.