Hello.
user
Hello.
assistant
I am Cynthia Hill.
user
How can I help you in booking?
assistant
I want to do some modifications in my previous reservation, can you please help me?
user
Sure, I will help you.
assistant
Thank you.
user
Sorry, no reservation found on your name.
assistant
That's ok, thank you for checking.
user
Welcome, have a nice day.
assistant