我已预定的房车现在降价了，请问能申请最新价

这是他们的条款，请达人帮我看看
Cancellation Policy:




Booking Deposit is non-refundable. In addition to forfeiting your deposit, your credit card will be charged immediately the following amounts if you cancel or fail to pick up the vehicle:- If cancelled up to 22 days prior to pick-up No Fee-AMENDMENTSAmendments prior to the vehicle collection date will be re-calculated at the flex rate applicable on the date of amendment. This applies to changing the vehicle type, reducing the number of rental days, changing pick-up dates and/or changing the pick-up or drop-off location. Where the number of rental days is being extended prior to pick-up (days are being added on at the end of the rental with no change to the original pick up date), or the Bonus Pack is being added to or removed from the Booking, the original flex rate, which applied at the time of the original Booking, will apply.Please note: Cancellations or amendments must be made strictly in writing via email.