You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Jennifer Harris. I want to cancel my recent reservation, due to my health issues.

ASSISTANT: Ok, please wait for a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found with your name to cancel it.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for opting us.