I am having difficulty in keeping my party together when travelling between cities. most of the time my friends have to meet up and rejoin in the new city. Is there a way around this?
You can "map travel" from city to city but if you are in an explorable area you cannot. If someone in the team doesn't have the city they will drop out.
If you want to return a team to the previous town, have everyone type in /resign.
Also, only the party leader can transport the entire team from city to city, if someone else tries, they disconnect from the party after clicking ok to the message that tells you it will do so.