He wont text me back!?

[Beesy]

Hi there. Okay, so I went to this job function thing with my dad where we had lunch with his work mates and everything. Anyway, he has this apprentice who is in his early 20's and I think hes really cute and Im 16. The problem is he has a girl friend but I could hint that today he liked me and he told me to get his number from my dad. So i did. And I sent him a message saying 'Just stole your number off him while i wasnt looking ahha' and then i got a message back saying ' thats good who is this but?' and I sent one back saying my name and he hasnt replied and its been like an hour. Im not planning to do anything but what r the chances that his gf saw it??