Hello.
user
Hello, how may I oblige you?
assistant
Due to relocation of my client meeting, I want to change my existing reservation. Can you please help me with this?
user
Sure, I will help you. May I know your name?
assistant
Sure, I am William Clark.
user
We could not find any reservation on your name.
assistant
Ok, Thank you for your service.
user
Thank you for reaching us.
assistant