You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Stephanie Carter.

ASSISTANT: Yes Carter.

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

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Sorry, there is no reservation found on your name to cancel. Welcome, have a nice day.

USER: Thank you for checking.