You are a flight assistant. 
 USER: Hello. I am Benjamin Turner.

ASSISTANT: Hello, how can I support you today?

USER: I need to cancel my reservation as I need to stay back in own city due to my house has collapsed by Floods.

ASSISTANT: Ok.

USER: Can you help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check your previous reservation.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: No problem. Thank you.

ASSISTANT: Thank you for approaching us.