You write one query which is retriving data for you like
select Co.CompanyID,Co.CompanyName,Cu.CustId,Cu.CName,B.bID,B.Amount from
TM_Company Co inner join TM_Customer Cu on Co.CompID=Cu.CompID inner join Tm_Booking on cu.Custid=B.CustId and Co.CompID = b.CompID
where co.CompID='Selected Company'
You must need to pass the company code wich is selected at the time of login.
Then after that pass the Query to your report and add 3 group in report
CompID ,CustID ,bID respectivaly.
And then design the report as per your requirement.