You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Owing to an emergency, I want to cancel my reservation, could you please help me in the cancellation?

ASSISTANT: Sure, I am here to help you. May I know your good name?

USER: I am Donna Wilson.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.