Hello,.
user
Hello.
assistant
I am Frank Campbell.
user
 How can I aid you?
assistant
I want to change my reservation as my plan to meet my share holder is postponed. Can you help me with that?
user
 Ok, please wait.
assistant
Sure.
user
 Sorry, no reservation was found on your name.
assistant
Ok, no issues. Thanks for the information.
user
 Thank you for availing us.
assistant