Hi, I am Stephen Mitchell.
user
Hello, how may I provide service to you?
assistant
Owing an emergence, I want to change my existing reservation. Can you please help me with it?
user
Sure, we are here to help you.
assistant
Thank you.
user
Please wait for a while.
assistant
Ok.
user
Sorry we couldn't find any reservation with your name.
assistant
Ok, no issues. Thanks for the information.
user
Thank you for reaching us, have a good day.
assistant