You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I assist you the day?

USER: Please cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, I will help you with cancellation. On what name, do I need to cancel the reservation?

USER: My name is Rachel Davis.

ASSISTANT: Ok, please wait. Let me check the reservation status.

USER: Sure.

ASSISTANT: Sorry to say that, We did not find any reservation on your name to cancel it.

USER: Thank you.

ASSISTANT: Thanks for reaching us.