You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to cancel my reservation due to some health issues, will you please help me to cancel?

ASSISTANT: Sure, on which name your previous ticket has been reserved?

USER: Sure, my name is Kathleen Hall.

ASSISTANT: Please wait for a while.

USER: Sure.

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

USER: Not an issue, thank you.

ASSISTANT: Thank you.