Hello, I am Joseph Carter.
user
Hello, how may I help you?
assistant
Owing an emergence, I want to change my existing reservation. Can you help me with it?
user
Sure, I am here to help you. Please stand by.
assistant
Sure.
user
Thank you, sorry no reservation found with your name.
assistant
Ok, no issues.
user
Thank you for reaching us, have a nice day.
assistant