Hi.
user
Hello, how can I assist you?
assistant
Could you help me to amend my existing reservation?
user
Sure, I am here to help you. May I know your name?
assistant
I am Anna Robinson.
user
I am sorry to say you that there is no reservation found under your name in our database.
assistant
Not a problem, thank you for the information.
user
Thank you for choosing us.
assistant