In case of a table with no guest, it will ask for pax

bookie/src/app/sales/pax/pax.component.ts

@@ -0,0 +1,37 @@
+import { Component, Inject, OnInit } from '@angular/core';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { FormBuilder, FormGroup } from '@angular/forms';
+
+@Component({
+  selector: 'app-pax',
+  templateUrl: './pax.component.html',
+  styleUrls: ['./pax.component.css']
+})
+export class PaxComponent implements OnInit {
+  form: FormGroup;
+
+  constructor(
+    public dialogRef: MatDialogRef<PaxComponent>,
+    @Inject(MAT_DIALOG_DATA) public data: number,
+    private fb: FormBuilder,
+  ) {
+    this.createForm();
+  }
+
+  ngOnInit() {
+    this.form.setValue({
+      pax: this.data
+    });
+  }
+
+  createForm() {
+    this.form = this.fb.group({
+      pax: ''
+    });
+  }
+
+  accept(): void {
+    const pax = this.form.value.pax;
+    this.dialogRef.close(pax);
+  }
+}