COVID-19 payment relief nightmare

I have app**** for COVID-19 payment relief and it was declined, due to me being unable to give you a bank statement showing that my salary is now less. Firstly - I have explained to you that my salary will be less from end of June, so how can I give you a statement during the month of June showing a lesser amount? I wanted to apply in time so that the debit order does not go off today. Secondly - the email you sent which invited me to apply for payment relief, stipulated you would need a letter from my employer OR payslip OR bank statement. I have provided you with the letter from my employer. Not too sure why this would not suffice. Someone from your offices did call me, but just dropped the call on me and would not hear anything. Very unprofessional and needs to be taken off any phone duties. I also sent an email to your customer service department, but have not had any feedback at all. I will appreciate it if someone can get in touch to sort this out.