How will you deal with a husband who has changed the date of the appointment too many times?

After 2 years we aren麓t divorced yet.As we some properties,i suppose we have to meet because he want to sell the house .But he needs my signature .He麓s living with his mistress.He always finds a reason for not coming and sends an email.How will you deal with a husband who has changed the date of the appointment too many times?
What appointment? Your lawyer can handle all needed signatures for a divorce. You never have to even talk to your husband.