You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you now?

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 am here to assist you. May I know your name please?

USER: Thank you. I am Jonathan Adams.

ASSISTANT: Please wait for a while to check the status of your reservation.

USER: Sure.

ASSISTANT: Thanks for your time, we found a reservation on your name and it is cancelled successfully.

USER: Thanks for the assistance.

ASSISTANT: Thank you for choosing us.