You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emily Nelson.

ASSISTANT: How can I help you for today?

USER: I would like to cancel my recent reservation due to my schedule got cancelled due to climatic changes.

ASSISTANT: Ok, give me a moment.

USER: Ok, sure.

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

USER: It's ok, thank you for the help.

ASSISTANT: Thank you for reaching us.