Delete timestamp in my output file in excel using python

Question

I need to remove timestamps in my file. It should only return the name. My source text file looks like this

7:52:01 AM sherr
hello GOOD morning .
おはようございます。
7:52:09 AM sherr
Who ?
誰?
7:52:16 AM sherr
OK .
わかりました

and my code looks like this

from openpyxl import Workbook
import copy

wb = Workbook()

with open('chat_20220207131707.txt', encoding='utf-8') as sherr:
    row = 1
    column = 1
    ws = wb.active
    for line in sherr:
        ws.cell(row=row, column=column, value=line.strip())
        if (column := column + 1) > 3:
            row += 1
            column = 1

    for row in ws.iter_rows():
        for cell in row:      
            alignment = copy.copy(cell.alignment)
            alignment.wrapText=True
            cell.alignment = alignment
            
    wb.save('sherrplease.xlsx')