Dear Ayesha.
I hope you are doing well. I am very ashamed to told you that i promised you to go to the market withyou but i am unable to do so as i have to go out of city due to my personal issue.
I promised you to help out with you for the selection of crockery in the market ,next weekend but unfortunately i have an urgent piece of work and have to left the city within a day due to emergency. Excuse from my side for unable to you at your need.
If you could wait for another weekend i would be there for you at any cost. Please Understand my stituation and answered me as soon as possible.
