You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Carter.

ASSISTANT: How can I help you?

USER: I would like to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, give me a minute?

USER: Sure.

ASSISTANT: Sorry to say that there is no reservation found.

USER: That's fine, thank you for checking.

ASSISTANT: Thank you for contacting me.