Hello.
user
Hello, how may I help you today?
assistant
I want to change my existing reservation due to some issues,can you please help me with that?
user
Sure, may I know your name for the cancellation process?
assistant
Sure, I am Emma Young.
user
 Sorry, we couldn't find a reservation on your name to change.
assistant
Ok, not an issue. Thank you for your information.
user
Welcome, thank you for reaching us.
assistant