Hi.
user
Hello, how may I help you?
assistant
I need to amend my existing reservation, can you please help me?
user
Sure, I am here to help you.
assistant
Thank you.
user
May I know your name?
assistant
Sure, my name is Angela King here.
user
Sorry, there are no reservation found on your name.
assistant
That's ok, thank you for your information.
user
Thank you for choosing us.
assistant