Let's ask a travel agent.

I inquired whether the plane would arrive on time.

She asked the office, in order to obtain more detailed information.

I referred to the company for his work record.

For particulars, apply to the college.

Please refer to the tourist information office.

Please feel free to contact me for details about the meeting or the schedule.

Please ask whether they have this book at the library.

Please refer to the tourist information office.

If there's something that you don't understand, please feel free to contact us at any time.

If you have any questions, please don't hesitate to contact us.