Hello.
user
Hello, how may I assist you?
assistant
I am Donald Garcia. My business meeting is postponed, so I need your help me to change my existing recent reservation, can you help me?
user
Donald, please wait for a moment.
assistant
Ok.
user
I am sorry Donald, there is no reservation with your details.
assistant
Thank you for your service.
user
Thank you for contacting us.
assistant