Hello.
user
Hello. How can I help you?
assistant
I want to change my existing reservation. Could you help me with that?
user
Sure, I will help you to change your reservation. Please share me your name.
assistant
Betty King.
user
Ok, please allow me a moment.
assistant
Ok.
user
Sorry, no reservation found on your name to change your reservation.
assistant
That's ok, no problem. Thank you.
user
Welcome, have a nice day.
assistant