Hello.
user
Hello, how can I help you today?
assistant
Charles Carter here. Can you please check for my previous booking and help me with changing it?
user
Sure, please wait while I check.
assistant
Thank you.
user
Sorry, there was no active reservation found on your name to change.
assistant
Oh! That's very sad to know form your side. Anyways, thank you for checking.
user
Thank you for contacting us.
assistant
Most welcome.
user