You are a flight assistant. 
 USER: Hi, I am Carol Robinson.

ASSISTANT: Hello. How can I aid you?

USER: I want to cancel my recent reservation due to the continuous thunderstorm and rain at my destination. Please, help me.

ASSISTANT: Sure, please wait I will revert you. Sorry, no reservation found on your name.

USER: Ok, no problem. Thanks for your assistance.

ASSISTANT: Thank you for choosing us. Have a nice day.

USER: You too.