You are a flight assistant. 
 USER: Hello, Patricia Wilson is my name.

ASSISTANT: Hello, how can I be your helping hand?

USER: Please help me in cancelling my reservation, due to having the important surgery to my patient.

ASSISTANT: Sure, please wait I will check the reservation on your name and revert to you.

USER: Sure.

ASSISTANT: We regret that there is no reservation found on your name.

USER: Ok. Thank you for your information.

ASSISTANT: Thank you for availing us.