You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Brandon Phillips, I want to cancel my reservation, I can not travel due to my bad health. Can you cancel my reservation?

ASSISTANT: Ok, please wait I will revert you.

USER: Sure.

ASSISTANT:  Sorry, no reservation was found on your name.

USER: Ok, thank you for the information.

ASSISTANT:  Thank you for availing us.