You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you today?

USER: I am Nancy Taylor. Can you help me to cancel my reservation?

ASSISTANT: Yes, I can help you with that.

USER: Please check.

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

USER: That is fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.