I got a ticket on national express bristol London. After that I had booked a bus from london/paris with more than 3hrs difference. When I was in the national express bus in bristol it was decided to join the people from 2 buses in one. So my bus that was direct was going now to be diverted to Swindon and Heathrow. The bus driver told me that was better to get the train instead. That was not guaranteed what time we will be arriving to London. Like me there was about 8 people in the train to London that I saw. I requested a refund for uber /train/subway. The bus drivers told us that in this circumstances national express pay for the expenses. Now national express is replying that they just can do a refund from the national express ticket from Bristol/London that don't cover by far the expenses I had with this new national express strategy. I know now that this is gappen very often, cancel buses to join the clients from different buses to reduce costs and leaving clients to their own chance.