Hello. James Hall here.
user
Hello, how may I help you?
assistant
Due to sudden work so, I need to change my reservation. Can you please help me with it?
user
Sure, I am here to help you. Please wait for a while.
assistant
Ok.
user
Sorry, there is no reservation found on your given name.
assistant
Not an issue, thank you.
user
Thank you for choosing us.
assistant