Hello.
user
Hello. How can I assist you now?
assistant
I would like extend my vacation for some more days. So, can you help me in changing my existing reservation?
user
Sure, can I know your name please?
assistant
My name is Rebecca Perez.
user
Sorry Perez, there is no reservation found on your name.
assistant
That's fine, thank you for the information.
user
Thank you for your positive response.
assistant
Welcome.
user