Hello.
user
Hello. How can I help you?
assistant
My name is Christine White. I want to change my existing reservation, can you help me with that?
user
Sure, I will help you to change your reservation. Please allow me a moment.
assistant
Sure, take your time.
user
Sorry, no reservation found on your name to change your reservation.
assistant
No issue, thank you for the information.
user
Welcome, have a nice day.
assistant