"通知客户货物出港与预计到达时间，并询问航空运单需求"

Subject: Shipment Notification and Documents Dear [客户名], We are writing to inform you that your shipment is scheduled to depart on May 29th and is expected to arrive at your destination on May 31st. We hope this information will help you plan accordingly. We would also like to inform you that the following documents will be sent along with your shipment: three copies of the commercial invoice and packing list stamped by the Chamber of Commerce, and one original certificate of origin. Please see the attached scanned documents for your reference. If you require the original air waybill for your records, please let us know and we will arrange to send it to you separately. We hope that your shipment will arrive safely and on time. Please feel free to contact us or your freight forwarder for any further assistance. We look forward to working with you again in the future. Best regards, [你的名字]