Hello.
user
Hello, how can I aid you for today?
assistant
I want to change my reservation, can you please help me to change my reservation?
user
I am glad to help you in changing your reservation. Can you please provide your name in checking your reservation status?
assistant
Sure, my name is Charles Miller.
user
Sorry for the trouble which is caused to you, I have not found any reservation on your name in our database.
assistant
Ok, not an issue, thank you for checking my reservation status.
user
You are welcome, thank you for reaching us. Hope you have a nice day ahead.
assistant