Student or Learner
I would like to know whether is this two words used correctly.
Customers lamented that it was a pity not having enough time to indulge in this hotel.
When you lament something you say it's a pity; you don't 'lament that it's a pity'.
And you don't indulge in a hotel, although you can indulge yourself at a hotel or 'indulge in a second pudding''.
How about 'Customers regretted that they didn't have time to make the most of/take full advantage of the hotel' (I'm assuming that they stayed at the hotel, but didn't have time to use the jacuzzi!)