行李员 bellhop, porter
行李：bag/baggage/luggage

Please help me with those bags in the trunk.
请帮我卸下后车厢的行李。

若不需要行李员帮忙，可以说：

I will be all right, thanks.
我可以自己来，谢谢。

I'll take this bag myself.
这个袋子我可以自己提。

办完“住宿登记” check-in 之后，若要请人帮你提行李进房间，可以跟柜台要求：

Could I have my bags sent up to the room?
能帮我把行李送进房吗？

准备办“退房”check-out 时发现行李太多，也可以打电话给柜台，请行李员来协助：

I'm going to check out. Please send someone to room seven-seventy-three to take my luggage.
我要退房。麻烦请人到773号房取行李。

I'm going to check my luggage at the front desk. I'll come get them later this afternoon.
我要把行李寄放在柜台，下午再来取。