You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you.

USER: Rachel King here. Will you cancel my recent reservation, due to my health issue as doctor said to take rest I have to cancel my reservation.

ASSISTANT: Sure wait for a moment please.

USER: Sure.

ASSISTANT: Thanks for waiting. I have not found any reservation on your name.

USER: It's ok, maybe it was not done properly while I am booking.

ASSISTANT: Thank you.

USER: Thank you for your information.