My name is Wang Feng and I'm calling to cancel my plane ticket. 我叫王峰，我打电话取消我预订的飞机票。

When was your reservation? 您预订的什么时候?

Do I need to pay a cancellation fee? 我要付取消机票的费用吗?

Would you like me to reschedule you for another time? 要不要我再另外为你安排别的时间?

No. Thank you. 不用了，谢谢你。