You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Owing an emergency, I want to cancel my reservation. Can you help me for that?

ASSISTANT: Sure, I am here to help you out. Please provide me your name to check whether any active reservation is found on your name or not.

USER: My name is Carolyn Martinez.

ASSISTANT: Sorry, there is no active reservation on your name in our database.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us Carolyn Martinez.

USER: Welcome.