Hi.
user
Hello. How can I help you today?
assistant
I just want to change an existing reservation due to health issues. Can you help me in change an existing reservation?
user
Ok, please help me with your name?
assistant
I made a reservation by this name Stephanie Miller.
user
Ok, please wait I will revert you.
assistant
Ok.
user
 Sorry, no reservation was found on your name.
assistant
Ok, no problem. Thank you.
user
 Thank you for opting us.
assistant