You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to cancel my reservation due to heavy floods at my destination place, so please help me to cancel.

ASSISTANT: Sure, I am here to help you.

USER: Thank you for accepting my request.

ASSISTANT: Ok, please provide your good name.

USER: Sure, I am Jennifer Young.

ASSISTANT: Ok, please wait for a moment, I will check the reservation on your name in our database.

USER: Ok, I will wait.

ASSISTANT: Thank you for your time, we did not find any reservation on your good name.

USER: That's Ok, not a problem. Thank you for informing me.

ASSISTANT: Thank you for opting us.