You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Jennifer King. Due to health issues, I would like to cancel my reservation. Can you help me?

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: It's ok, no issues. Thank you for the information.

ASSISTANT: Most welcome.