Dear Mr Tan,
We refer to your letter dated 13th September 2016 that was published on All Singapore Stuff website and would like to thank you for taking time to share your feedback, which we take seriously.
We have conducted an internal review of this incident and would like to invite you to a meeting to discuss the matter further. Please contact us at Singapore.email@example.com, , quoting CEM: 6314.
Please accept our apologies for the inconvenience caused. We look forward to hearing from you soon.
Customer Experience Management
Citibank Singapore Limited