How many nights are you staying? The deposit would have been for 2 nights at the Crowne Plaza. Ideally, that will transfer over to T&C and that dollar amount will be deducted from your hotel bill. I wouldn't imagine you'd get money back since you would still owe T&C money. Unless the CP deposit was greater than the entire T&C bill was... and in that case I would bring it up with the hotel and with OnPeak.
Just make sure your entire deposit transfers over. I would check with T&C when you check in, if you haven't already. Maybe have your credit card statement or email confirmation handy to show proof of what you paid
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