You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist 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?

ASSISTANT: Sure, please provide me your name.

USER: Melissa Thomas here.

ASSISTANT: There is no reservation found with your name.

USER: No problem, Thanks for the information.

ASSISTANT: Have a good day.