Virginia Woolf, the well-known British writer was known to have done most of the planning of her writings during bubble baths. Then you get lot of ideas for creative work. You also gain an insight into the style of speaking of people. In Hindi, this is known as takkia kalaam. That is what brings individuality to one's conversation.
Conversations are the seeds of creative writing.
Take part in conversations- who knows you may end up with a good story idea or create a character out of the person with whom you are conversing. Airports, railway stations and bus stands are also fertile sources of story ideas and anecdotes. An eagle's eye would help you get 'n' number of stories from your daily activities. Imagine you collide with a funny looking man in a market. He snubs you.