I need a sms text message option

I need to create a form that allows a user to enter a cell phone number, a text field for the text message and a text message is sent to that user. Can you assist?

You can use Webhooks, this link has more details about it: http://www.jotform.com/blog/85-Send-Instant-Submission-Notifications-with-Webhooks.

Here are some examples about custom codes that you may use: http://www.jotform.com/help/248-Webhook-Samples. 

Also here is a similar topic discussed, you may take a look on it: http://www.jotform.com/answers/276737-We-want-to-send-a-SMS-to-our-Visitors-when-a-Form-is-Submitted-.