In case you still want a translation:

Mr. Mayumi

I like to travel in a group.  The travel agency reserves the hotel rooms and plane tickets for you, so you don't have to do it yourself.  In addition, you can see a lot of interesting and famous places.  The guide explains everything in Japanese so you don't have to understand any foreign language.

Mr. Haruka

I like to travel by myself.  You can make your own schedule and reserve any hotel you want.  Because of this, you can also take your time going to the places you want.  You don't have a guide, but you can talk to local people or make friends.