Hello.
user
Hello, how can I aid you?
assistant
 Benjamin Collins here, due to sudden work so, I want to change my reservation. Can you please help me with it?
user
Sure, please wait a minute.
assistant
Ok.
user
Sorry, there is no reservation found on your name.
assistant
Ok, not an issue. Thank you.
user
Thank you for reaching us, hope to serve you again.
assistant