Excuse me, do you speak English? — SUMIMASEN. EIGO GA WAKARIMASU KA?
Excuse me, does this train go to …? — SUMIMASEN. KONO DENSHA WA … NI IKIMASU KA?
I’d like to go to .... How much does a ticket cost? — ... ni ikitai desu ga, kippu wa ikura desu ka?
How much is this? — Kore wa ikura desu ka?
I’m feeling unwell. Do you have any medicine? — Chotto choshi ga warui desu ga, kusuri ga arimasu ka?
My name is ... — WATAKUSHI NO NAMAE WA ...

I’m staying at the ... Please call the hotel. Watakushi wa ... ni tomatte imasu. Hoteru wo denwa shite kudasai. (Most hotel staff speak English and can help in an emergency.)