You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve you today?

USER: Jessica Mitchell here. I need to cancel my recent reservation due some health issues, can you help me in doing that?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for opting us.

USER: Thank you for the information.