i am afraid it is short notice

題目：

i am afraid it is short notice
A:May i request a vegetarian meal on my flight?
B:OK
A:Thank you.i am afraid it is short notice.
請問在這個語境中師什麼意思

解答：

A:我在飛機上要一個素食餐嗎?
B:可以
A：我以爲這只是個臨時通知.