As soon as it turns out that you are late, let guests and the support guide or main guide know that you will be late. You can find guests' contact number in "Your trips" on your page. If you cannot connect to their phone, send a message to guests and support guide or main guide and tell when you arrive at the meeting place.
If you cannot connect to the Internet, contact guests and support guide or main guide as soon as you are able to connect to the internet. Guests are waiting for you.