Rewrite the following sentences in reported speech ​

There were a lot of people in the fast food restaurant last night. It was very busy!
"Was Katie at school last week?" No, she wasn't. She was sick."
"These flowers are beautiful. Are they expensive?" "No, they aren't. "
Are James and Charlotte in the florist's? Yes, they are.
That's a pretty dress. Was it in the sale? Yes, it was.
Is there a toy shop in that shopping centre? No, there isn't.
Where were you yesterday, Sam? I was, at the zoo with my mum.
We weren't. at home last night. We were at the cinema with friends.