What you think is easy is very difficult!
The above website have made a change to their website, the customer service phone number has gone now you they use terrible automated assistance service. The is a list questions you would like to ask but no help navigating through their website to reach an answer. Cancellations are common from my own experience, when the is a dispute the refund take weeks if not longer before you get reimbursed. The insurance protection you buy from the website is expensive and difficult to make a claim.