Provide the theme summaries for the following conversation: 

Mary: Hello. Im writing to let you know the cake you ordered is ready. Feel free to come and get it whenever you want.
Fred: Thank you really much! I'm afraid though I won't be able to get it before friday. That a problem?
Mary: Not at all. However, bear in mind we're only open till midday on Fridays. 
Fred: Doesn't sound good. What about Saturday? Are you open??
Mary: Absolutely. Also here till midday.
Fred: great. So see you on Saturday.

Summary: 
Fred's cake is ready. He cannot pick it up on Friday so he will do it on Saturday. The place is open until midday on Friday and Saturday.