1 How many tickets do you want?
2 Here is the company‘s rule that tickets can’t be refunded.
3 At the end in your right-hand side
4 Excuse me,but do you have the invitation?
5 You needn’t buy tickets unless you have the invitation.
6 Do you have the passport?
7 Could you please change a note?
8 May I ask if/whether you have any charges?
9 Please give charges as much as possible.