Hi, Nancy Robinson here.
user
Hello, how may I aid you?
assistant
I want to change my reservation because I want to enjoy some more days in Houston, can you please help me?
user
Ok, please wait a moment.
assistant
Sure.
user
Nancy, no reservation has been found on your name in our database.
assistant
That's fine, thank you for checking.
user
Thank you for using our service.
assistant