You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I amend you?

USER: I am Jacob Thomas. I want to cancel my reservation due to heavy rainfall at my place. Can you aid me?

ASSISTANT: Sure, please wait I will check and revert you.

USER: Sure.

ASSISTANT:  Sorry, no reservation was found on your name.

USER: Ok. Thank you.

ASSISTANT: Thank you for availing us.