You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

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

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: Thank you, my name is Joseph Lee.

ASSISTANT: I am sorry to say you that there is no reservation found under your name in our database.

USER: Not an issue, thank you for the information.

ASSISTANT: Thanks for reaching us.