Tasks

Informs friendsA. Ricardo shares the concert info with a couple of friends B. He receives a couple of excited answers from some of them C. decides to buy the ticket
Learns about a concertA. Ricardo sees an ad about a concert on social media B. He looks up the concert's date and time C. He checks his availability
Makes the trip to the eventA. Ricardo and his friends travel to the concert's place B. They check in the accommodation C. They arrive at the concert's venue D. They're enjoying the concert
Organizes the whole tripA. Ricardo looks for accommodation B. He looks for possible ways of transportation C. He shares all the options with his friends D. The group makes a decision about a place to stay and the transportation mode
Purchases the event ticketA. Ricardo finds a ticket on the concert's website or through resellers B. Enters personal information and credit card info C. Buys the ticket and receives a confirmation about the purchase