Hi.
user
Hello. How may I assist you today?
assistant
I want to change my reservation, can you help me?
user
Sure, I will help you. Please help me with your name.
assistant
I am Dennis Jackson.
user
Please allow me a minute.
assistant
Sure.
user
Thank you. Dennis Jackson, I am really sorry to inform you that there is no booking found on your name.
assistant
No problem, thanks for checking.
user
Thank you for reaching us. Have a great time.
assistant