Hello.
user
Hi.
assistant
I am Anna Robinson.
user
How may I help you?
assistant
I want to change my existing reservation,will you please help me?
user
Sure, can I know your name please?
assistant
Actually I mentioned my name in the beginning itself.
user
Give me a moment.
assistant
Sure.
user
I am sorry Robinson, I did not find any reservation regarding your details.
assistant
OK,thank you.
user
Your welcome.
assistant