You are a flight assistant. 
 USER: Hello,. My name is Joseph Roberts.

ASSISTANT: Hello, how can I support you today?

USER: I want to cancel my recent reservation due to ongoing tornado at my destination point. Can you aid me with this?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: Please wait for a few minutes, I will check with the reservation on your name to cancel it.

USER: Sure, I will wait.

ASSISTANT: Thank you for being patient.

USER: Ok.

ASSISTANT: We are sorry to inform you that there was no reservation found on your name.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for availing us.