You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I amend you?

USER: I am Alexander Jones. 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 please help me?

ASSISTANT: Sure, let me check the data base and get back to you.

USER: Sure.

ASSISTANT: We found a reservation by your name. Shall I proceed to cancel?

USER: You can.

ASSISTANT: Your request for cancellation of reservation has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.