Hello. My name is Patricia Nelson.
user
Hello Nelson, how can I help you today?
assistant
While reservation, I have given wrong dates. Can you help me in changing my reservation?
user
Sure Nelson, let me check your details in our database.
assistant
Sure.
user
Sorry Nelson, I have not found any reservation by your name in our database.
assistant
That's fine, thank you for the information.
user
Thank you for contacting us and have a nice day.
assistant
Welcome.
user