Hello.
user
Hello. How may I assist you today?
assistant
I would like to change my reservation as I am leaving for delegates meet, can you please help me out?
user
Sure, I will help you. Please help me with your name.
assistant
Debra Green here.
user
Please allow me a minute.
assistant
Sure.
user
Debra Green, I am really sorry to inform you that there is no booking found on your name.
assistant
Ok no problem,  thank you for your services.
user
Thank you for reaching us. Have a great time.
assistant