You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you at this moment?

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

ASSISTANT: Sure, may I know your name to check the reservation?

USER: I am Rachel Moore.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Thank you.

ASSISTANT: Thank you for reaching us.