I regret any inconvenience caused (by) ...
Please note that our prices are subject to change without notice.
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I am pleased to acknowledge receipt of your order n° .....
I would like to query the transport charges which seem unusually high
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Thank you for your quotation of ...
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I am writing to express my dissatisfaction with ...
Please note that the goods we ordered on ( date ) have not yet arrived.
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We would like to cancel our order n° .....
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We regret to inform you that our order n° is now considerably overdue.
Your order will be processed as quickly as possible.
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