make a dialogue from this situations. just a short dialogue One of your friends invites you to her birthday party. You do not read the invitation letter careful

You : Happy birthday. All the best pray only for you.
Your friend : Thank you for your coming and your pray.
You : Don't mention it. But, why do all friends wear same color clothes?
Your friend : Did you read your invitation? I wrote a dress code for my birthday party.
You : Oh my god. I didn't read it carefully. I am sorry.
your friend : It's okay. I'm very glad you can come to my party. Enjoy the party.

A = hey, thanks for coming..
B = yes, happy birthday to you and thanks for inviting me.. but somehow, i feel bit uneasy..
A = i think i get it, you're dressed too formal, aren't you?
B = yes, i thought it was formal party, so i dressed formally. 
A = hmm... i mentioned on my invitation card, to wear casual attire...
B = i was very excited when i got your invitation, sorry for not read it properly..
A = don't mind it, a quick fix can make it up.. just remove your blazer and your tie, and roll up your shirt's sleeves.. and we're ok..
B = okay, thanks..
A = and don't forget to enjoy the party.. see you later..