Help

thursday got a condition offer,ask if I agree start from three months contract and gang my ability and experience to bring me as a staff,ask if I agree.if yes they will confirm the salary and start date, they hope is tue and wed, I sent back thank you letter say yes, also friday I call the boss, he's not in the office and I left message to ask the start date.

tomorrow is tue, do you think they will call me and let me start tomorrow, or they are too busy, forget me.