Here are some popular questions you might want to think about
Are there any local airports you would like to fly from?
Do you prefer 1st or 2nd seating for dinner? (where applicable)
Do you have any special dietary requirements?
Would you like to stay in a hotel before or after your cruise?
Do you have any special medical/mobility requirements?
Have you cruised before?
Which cruise lines/destinations are you interested in?
What time of year are you looking to go on holiday?