Lesson sixteenth

When telling someone that you are 'looking forward to' you are saying that you are waiting or hoping for something, especially with pleasure.

Here are some examples:

"I'm looking forward to meeting you."
"I'm looking forward to talking with you."
"I'm looking forward to going on vacation."
"I'm looking forward to spending time with my family."
"I'm looking forward to learning the English language."
"I am looking forward to visiting another country."
"I am looking forward to having a family."
"I am looking forward to graduating from college."
"I am looking forward to watching the baseball game."
"I am looking forward to running in a race."

I'm calling to + (verb)
When using the words 'I'm calling' you are stating that you are actually using the phone to call and relay information.

Here are some examples:

"I'm calling to tell you about my day."
"I'm calling to accept your invitation."
"I'm calling to answer your question."
"I'm calling to book a reservation at your restaurant."
"I'm calling to complain about something."
"I'm calling to thank you."
"I'm calling to support your decision."
"I'm calling to remind you of our dinner plans."
"I'm calling to report a lost wallet."
"I'm calling to receive my prize."
 

Source:http://www.manythings.org/elllo/