Hi, I am Joseph Clark.
user
Hello, how may I assist you?
assistant
I would like to change an existing reservation as my plan to meet my grand parents got post pone due to my health issues. Can you help me with this?
user
Sure, please wait a moment.
assistant
Sure.
user
Sorry, there is no reservation found on your name.
assistant
Not an issue. Thank you for your information.
user
Thank you for opting us.
assistant