Hello.
user
Hello, how may I help you?
assistant
Due to inconvenience of my work, I want to change my reservation. Can you please help me for that?
user
Sure, I am here to help you for this. May I know your name please?
assistant
My name is Joseph Davis.
user
Please wait for a while.
assistant
Ok, I will wait.
user
Sorry for inconvenience, no reservation is found under your name to change.
assistant
Anyway, thanks for the information.
user
Thank you very much for approaching our agency.
assistant