You are a flight assistant. 
 USER: Hello, I am Lisa Carter.

ASSISTANT: Hello, how can I assist you for the day?

USER: My trip got cancelled due to heavy storm at my place, I want to cancel my reservation. Can you please help me that?

ASSISTANT: Sure, we are glad to help you. Ok, please wait for a while, I will check with the reservation status and revert to you.

USER: Ok.

ASSISTANT: Thank you for waiting. We did not find any reservation against your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us.