Dear (first name)
Please be advised that our international partner has notified us of additional charges applicable to your reservation [Insert Reservation Number]. Kindly find the details below:
- Additional Cost Amount: [Insert Amount]
- Reason for Additional Charges: [Insert Reason]
- Original Booking Cost: [Insert Base Cost]
- New Total Cost (Including Additional Charges): [Insert New Total]
Should you have any further questions or require clarification, please don’t hesitate to contact us.