You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to cancel my recent reservation because of my health issues. Can you please help me out?

ASSISTANT: Please, can you mention your name?

USER: Sure, my name is Stephanie Carter.

ASSISTANT: I am happy to help you with that, give me a minute.

USER: Sure.

ASSISTANT: I am sorry to say that there was no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us, have a great day.

USER: Thank you.