Hi, I am Nancy Campbell.
user
Hello, how may I assist you?
assistant
Due to health issues, I want to change my existing reservation. Can you help me with it?
user
Sure, please wait a moment I'll check the details of your reservation.
assistant
Ok.
user
Sorry Nancy, no details found regarding your reservation in my database.
assistant
Ok, no issues.
user
Thanks for availing us, have a pleasant day.
assistant
Thanks for the help.
user