Hello.
Hello. How may I assist you today?
Please help me with changing my reservation due to some changes in the plan of my trip with my colleagues.
Sure, I will help you. Please help me with your name.
Sure, my name is Justin Williams.
Please allow me a minute.
 Ok, take your time.
Justin Williams, I am really sorry to inform you that there is no booking found on your name.
That's ok, no problem. Anyway thank you for checking.
Thank you for reaching us. Have a great time.