Hello,.
user
Hello, how may I help you?
assistant
Please change my reservation, which is reserved earlier on my name Daniel Anderson. As my meeting with clients has been postponed.
user
Sure, please wait a moment.
assistant
Sure, I will.
user
Sorry, there is no reservation found on your name.
assistant
Ok, no problem at all. Thanks for the effort and help.
user
Thank you for reaching us, have a good day.
assistant