You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, In what way can I assist you now?

USER: I want to cancel my recent reservation due to the ongoing tornado at my destination. Can you please help me in that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know on which name you have reserved your ticket?

USER: Jack Parker is my name.

ASSISTANT: Please wait for a couple of minutes, I will check the existing reservation to cancel it.

USER: Sure, I will wait.

ASSISTANT: I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: That's not a problem. Thanks for providing information.

ASSISTANT: Thank you for reaching us.