You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help 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. Can you help me with that?

ASSISTANT: Can I have your name please?

USER: I am Cynthia Smith.

ASSISTANT: There was no reservation found with your given name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for availing us.