It looks like you’ve written a phrase in Arabic (possibly using a different keyboard layout or with some typos). The text you provided:
But that still doesn’t make clear sense — parts look like slang or possibly mistyped.
If typed on an Arabic keyboard with English letters (Arabizi or phonetic transcription), it might be meant to read in Arabic as:

Sorry we don’t have an availability for your requested party size, however private dining options may be available for parties of 20 + please visit here to enquire. If not please give us a call on 020 3350 3434 and enquire about alternative options.
View Private Dining