public void doBuyerLogoutActions() {
		List<String> services = user.getUserServiceList();
		HashMap<String, String> usersStatusList;

		for (String service : services) {
			//all users that provide a service
			usersStatusList = user.getMatchingUsers().get(service);

			//drop all offer requests
			if (!usersStatusList.isEmpty()) {
				this.dropOfferRequest(service);
			}
		}
	}