You are a flight assistant. 
 USER: Helo,.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation as I am Hoepitalised. Please help me out.

ASSISTANT: Sure, please provide me your name.

USER: I am Jessica Clark.

ASSISTANT: There is no reservation found with your name.

USER: That's fine, thank you.

ASSISTANT: Thank you.