50% is an incredibly high rate. Have you confirmed those bookings?
I have had the experience of people ringing and making enquiries, I give them a landmark for them to have an idea about of which part of town I am in, unless it is a short notice ,I ALWAYS say they need to ring again to confirm the booking. (depending of how long in advance was the call)
However in some cases, the person rang again and for some reason I couldn’t answer but the person still went to the landmark that I talk about and then rang and said “I am here”, for me the booking wasn’t confirmed if I didn’t answer the phone and we agreed about the time but I have heard the argument “I tried to ring as you told me to”.
I don’t take the blame for the person having to wait in a case like that or for those that arrives sometimes 15-20 minutes earlier.
Other cases than thoses I am very sorry about what have happened and I am surprised at how frequent it has happened to you.
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