Thanks for the responses. The dealer is prepared to let us out of our agreement but I don't want out unless I can get an Odyssey elsewhere. We really need a mini van as we are a family of five and our kids are teens so we need all the space on lengthy road trips for our suitcases hence the need for a van and not an SUV. We presently have an '07 Odyssey with close to a 100,000 km. We aren't driving our van now as we don't want to go over 100k and lose the warranty. My husband had an Accura and at 103,000 km the transmission had to be replaced so there's no way we're going over 100,000 km. The dealer said that we can rent a Civic for $800 a month but that's the best they can do. I'm considering looking at Leasebusters for a short term lease and then getting an Odyssey next year.
You can look on lease busters but I haven't found many great deals there, plus you have to make sure there is a lease return inspection done prior to you taking over the lease or you might get stuck with stuff like tire wear or other general maintenance the lessee needed to do that wasn't done.
You can use a broker or you can just start calling some dealers in the GTA to see what is available. I'm sure there are at least a dozen dealers in the aera (Oakville, Newmarket, Mississauga, Thornhill and further out in Peterborough, Cambridge, Kitchener, etc.). The dealer in our smaller city has 2 Tourings on the lot. I didn't check the dealer I bought my van at - they usually have much better stock.
I'd hang onto your deal and see if you can match it at another dealer. If you can't I'd just rent a mini van for the trip. The other possibility is to just have your van's transmission checked prior to your trip. I doubt you will have a failure if it tests as functioning correctly and you haven't been having any problems with it. The combination of lease buster costs, or van rental charges, etc. will approach what it might cost to repair your transmission so if you rent or lease, you have guaranteed out of pocket expenses vs a possibility of an expense if you have transmission problems.
That is my $0.02 worth. Good luck with your search.