not sure as never booked through an agent before, why not give them a ring and find out?
if you booked online, maybe you have an email confirmation you can print.
That's probably not much help sorry!
I booked my trips at TA, usually 2 weeks before you go your Travel Agent will give you a letter to hand it at hotel check in then you get your tickets etc.
Not sure about Eurostar i always book that side myself.
thats great thanks for help phoned ta who was not very helpfull at all couldnt tell me anything apart form they should be here soon and I dont know about your eurostar tickets or booking in procedure,looks like I will phone eurostar meself.