You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my reservation, due to some health problems I am unable to catch that flight, can you cancel my reservation?

ASSISTANT: May I know your name?

USER: Sure, my name is Jack Rodriguez.

ASSISTANT: There is a no reservation found with your name.

USER: It's ok no problem. Thank you for your information.

ASSISTANT: Most welcome.