Hi! New Apple Watch owner here. First thing I went to try was to send a message to my girlfriend via Siri as I usually do thru Siri on the phone. I said to the watch: send a message to my girlfriend should I buy apples ? Siri showed ok on the screen and that she would send unless I clicked do not send. After that I went on the Messages app on the phone and this message was sent as a SMS and not a iMessage (this cost me money). Did I do something wrong ? Thanks!