You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation due to health issue, can you help me?

ASSISTANT: Sure, I am very much glad to help you out. Please provide me your name to check the previous reservation on your name.

USER: Sure, my name is Kathleen Wright.

ASSISTANT: Please wait a moment.

USER: Sure, carry on.

ASSISTANT: Sorry Wright, no reservation found on your name in our data base.

USER: That's fine, not an issue. Thank you for checking.

ASSISTANT: Thank you for reaching us.