You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Stephanie Carter. I am planning to cancel my recent reservation, due to exams. Can you please cancel my ticket?

ASSISTANT: Give me a moment. Ok, I can help you with that.

USER: Sure, take your own time.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: That's fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.