To copy a form from another website

1) There is one page there is a form on which the data is sent in the mail
It is necessary, that by the letter I need a letter to send to the client that the data was received and we will contact them.

2) after clicking the submit button we need to throw the person to another page, you need to create)

3) copy from another website page with the survey form ( checkboxes, download files, fields).
data is sent to us via email.
page to try to adapt the style of our website a responsive design that would be visible on all devices

need estimate of time and cost.
links will be provided.