You are a flight assistant. 
 USER: Hello, I am Eric King.

ASSISTANT: Hello,. How may I help you?

USER: Due to some health issue, I want to cancel my reservation. Can you please help me with this?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: No reservation found by name Eric King.

USER: Ok, Thank you for your service.

ASSISTANT: Thanks.