You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How exactly I can serve you the best today?

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

ASSISTANT: Sure, we are gleeful to help you for cancellation.

USER: Thank you.

ASSISTANT: May I know your name to check your details in our database?

USER: Jacob Lopez, is my name.

ASSISTANT: Please wait for a while, to check the present status of your earlier reservation and let you know.

USER: Sure, I will wait.

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

USER: Oh! May be it does not reserved properly.

ASSISTANT: Thank you for choosing us.

USER: Thanks for the effort.

ASSISTANT: Have a blissful day!.