Hello.
user
Hello, how may I serve you today?
assistant
I am Thomas Brown. I want to change an existing reservation, due to my business meeting got postponed. Could you help me in changing a reservation?
user
Sure, I am happy to help you. Please wait for a while, I will check and revert you. Sorry, there is no reservation found on your given name.
assistant
Not an issue. Thank you.
user
Thanks for choosing us.
assistant