You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for 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: Sure, please share your name to check further for your reservation.

USER: Shirley Clark is my name.

ASSISTANT:  Sorry, no reservation found on your given name in our database to cancel it.

USER: That's ok, thank you.

ASSISTANT: Thank you for contacting us.