You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Elizabeth Roberts here. I just want to cancel my recent reservation because weather is not good to travel.

ASSISTANT: Elizabeth Roberts, wait for a while.

USER: Ok.

ASSISTANT: Sorry, I didn't found any reservation on your details provided.

USER: Ok, that's fine. Thank you for your services.

ASSISTANT: Is anything else I may assist you?

USER: Nothing.

ASSISTANT: Thank you for approaching us.

USER: Thank you.