Hi,.
user
Hello, how may I aid you?
assistant
Owing to an emergency I had to request for this change reservation.
user
Sure, may I know your name?
assistant
My name is Alexander Williams.
user
Please wait for a while, I will get back to you.
assistant
Ok.
user
Unfortunately, there is no reservation found with your name.
assistant
Thanks.
user
Thanks for availing us.
assistant