Selling on an unwanted holiday

BenBar

http://www.brochure-store.co.uk/tc/Thomas-Cook/TCU1S14/20130812/10118660;

Here are the T&C's - always a good place to start ;-).

Under the section Changes made by you are the answers you seek ...

photome

from those terms

You are not permitted to change all the names on any booking and at least one of the passengers (over 18) on the original booking must remain, unless you are prevented from travelling for reasons beyond your control and not simply from a change of mind. Name changes on day of departure, where permitted, will incur additional administration costs.