Tracking auto update and customer info update

I need someone who can make a drop down menu under customer order page to simplify update of trackings That is, we only need to select Post Type and enter trackings manually click enter then it will automatically update and at the same time emails customer the full info Post type - POS LAJU DOMESTIC - " We are pleased to inform that your item is now shipped with POS LAJU MALAYSIA. Please visit their website at [login to view URL] or [login to view URL] to track with the tracking number given in this email. You may also call them at 1300 300 300. The following is the tracking number :- Post type - POS LAJU INTERNATIONAL - " We are pleased to inform that your item is now shipped via POS LAJU MALAYSIA. Please visit their website at [login to view URL] or [login to view URL] or your local country postal website to track with the tracking number given in this email. You may also call them at 1300 300 300. The following is the tracking number :- Post type - AIR PARCEL - " We are pleased to inform that your item is now shipped via POS MALAYSIA. Please visit their website at [login to view URL] or your local country postal website to track with the tracking number given in this email. As you have selected AIR PARCEL as mode of shipping, as stated at checkout, parcel takes aproximately 20 business days pending customs. The following is the tracking number :- CASH ON DELIVERY - " Thank you for shopping with us and you have selected Cash On Delivery, please make sure you have enough money ready at the point of delivery as to facilitate the transaction. We hope you understand that everytime we come into Singapore to make a delivery. It takes time and money since we have to pay the GST which be absorbed for you. We hope you will be responsible for your order and get payment ready in time, even if delivery was delayed, please reserve the same payment for us, since your items are ready and we will send your items. We hope you would give us your cooperation for us to still provide this service for you continually. The following is your estimated date of Delivery :- Citylink - We are pleased to inform that your item is now shipped via CITYLINK. Please visit their website at [login to view URL] with the tracking number given in this email. You may also call them at 1300-88-2489 The following is the tracking number :- Self Collect - We thank you for shopping with [login to view URL], your item is ready for collection at our location. CASH - We thank you for shopping with [login to view URL], please come again. You may also order online through our website [login to view URL]