Ordering Ramen

あの、すみません [ano, sumimasen]
Excuse me.

• あの [ano] is an attention-grabbing opener
• すみません [sumimasen] in this case means "Excuse me"

ご注文はお決まりですか [go chūmon wa okimari desu ka]
Are you ready to order?

• ご注文 [go chūmon] is honorific and means "your order"
• は [wa] is a topic particle
• お決まり [okimari] is honorific and means "decide"
• Literally means "Did you decide your order?"

• A: あの、すみません
  Excuse me.
• B: ご注文はお決まりですか [go chūmon wa okimari desu ka]
  Are you ready to order?
• A: はい。ラーメンを一つ下さい
  Yes. Please give me one ramen.