2--You are going to have to wait until we take off and are at a cruising altitude.

1--I hate flying though, and I really need something to take the edge off.

2--I'm sorry we don't serve anything until after take-off.

1--I can pay you in cash.

2--We don't take cash on the plane anymore.

1--So how can I pay?

2--When I come around after we take off, you can pay with a debit or credit card.

1--I only have cash.

2--See if someone will buy you a drink then.

1--Can I smoke a cigarette to relax in the meantime?

2--Smoking isn't allowed on flights.

===================================
注解：
 
1.cruising巡航的
2.altitude高度
3.meantime同时

===================================
译文：

1--我可以要一杯郎姆酒和可乐吗?

2--你不得不等到我们起飞到巡航高度的时候。

1--尽管我讨厌坐飞机，但我真的需要什么来减弱这种感觉。

2--很抱歉在飞机起飞前我们不提供任何食物。

1--我可以付给你现金。

2--我们在飞机上也不收现金。

1--那我怎么付钱？

2--飞机起飞后我会过来，你可以用借记卡或信用卡付钱。

1--我只有现金。

2--那看看有没有人可以请你喝杯饮料。

1--那同时我可以抽根烟来放松一下嘛？

2--飞机上不允许吸烟。