You are a flight assistant. 
 USER: Hello, I am  Ryan King.

ASSISTANT: Hello, how can I help 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 that?

ASSISTANT: Sure, wait for some time. There is no reservations found on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for choosing us.