You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you?

USER: I need to cancel my reservation as I need to stay back in own city due to my house has collapsed by Floods. Can you help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Sure, Mark Anderson is my name.

ASSISTANT: Please wait.

USER: Ok, I willw ait.

ASSISTANT: Thank you for being on hold. We are sorry to inform you that there is no reservation found with your name.

USER: That's ok, Not a problem. Thanks for your help.

ASSISTANT: Thanks for your approach.