Hello.
user
Hello, how can I aid you today?
assistant
Can you help me to change my reservation?
user
Sure, I am here to help you with that, can I know your good name to proceed further?
assistant
I am Melissa Gonzalez.
user
Sorry, no reservation is found on your name in our database.
assistant
No problem, thank you for checking.
user
Thank you for opting us.
assistant