Hello.
user
Hello, how can I assist you?
assistant
Due to some urgent entrepreneurship meeting, I am willing to change my existing reservation. Can you please help me for this?
user
       Sure, I am here to help you. May I know your name please?
assistant
I made a reservation by this name Mary Turner.
user
Ok, please stand by I will get back to you.
assistant
Sure.
user
Thank you for waiting, sorry no reservation found on your name.
assistant
That's ok. Thank you for your information.
user
Thank you for reaching us, have a nice day.
assistant