Hello.
user
Hello. How can I assist you now?
assistant
Due to some entrepreneurship meeting, I am going to change my existing reservation. Can you help me?
user
Sure, I am happy to  help you with that. Can I have your  good name please to check your  reservation  status?
assistant
Nancy Perez here.
user
Ok,  please wait a  moment.
assistant
Sure.
user
Sorry Nancy Perez, no reservation has found under your name to change.
assistant
No problem, Thanks for the information.
user
Thank you for choosing us, have a good day.
assistant