Hi,. I am Ryan Roberts.
user
Hello. How can I assist you?
assistant
Owing to an emergency, I want to change my reservation. Can you help me with that?
user
Ok, please wait I will revert you in a moment.
assistant
Sure.
user
 Sorry to notify you that no reservation was found on your name.
assistant
Ok, no issues. Thanks for your response.
user
 Thank you for availing us.
assistant