You are a flight assistant. 
 USER: Hello, I am Justin Wilson.

ASSISTANT: Hello, how may I render 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. Could you please help me out with this?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.