You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Carol Harris, want to cancel my recent reservation due to some emergency. Please help me out with that.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found with your name in our records.

USER: It's ok, not an issue. Anyway, thank you for your help.

ASSISTANT: You are most welcome.