Too cynical?

We are starting the process of selling our house. It went ‘live’ on the market on Monday. Tuesday morning the estate agent rang to say someone wanted to view that day. Due to circumstances we couldn’t manage that but arrangements were subsequently made of a viewing yesterday. Later the estate agent rang again to make another appointment on the same day, so now we had one at 2pm and one at 6pm. Yesterday morning estate agent rang to say first appt couldn’t make it as ‘he was going on holiday’ . The 6pm did not show up.

Are we ultra cynical to start thinking the estate agent invented these appointments?