Hello.
user
Hello, how can I help you?
assistant
I want to change my existing reservation due to postpone of my client meeting, can you please help me with that?
user
Sure, can you please provide me your name?
assistant
My name is Elizabeth Williams.
user
Give me a moment.
assistant
Sure.
user
 Elizabeth Williams. I regret to inform that there is no reservation by your name.
assistant
No problem, thank you.
user
Thank you for reaching us.
assistant