You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Due to my ill health, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I will help you with this. May I know your good name to check the reservation status?

USER: My name is Gregory Young.

ASSISTANT: Gregory Young, there is no existing reservation found under your name in our database.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thank you for contacting us.