Which of the following are offers of extra help to guests when they check out?
A.
Mr. /Mrs. **, do you need an invoice?
B.
Mr. /Mrs. **, do you need any luggage assistance?
C.
Mr. /Mrs. **, may I ask you where your next destination is? I can assist you to book another ** (hotel brand) hotel.
D.
Mr. /Mrs. **, do you need taxi service or do you need me to issue the parking coupon?