You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Margaret Walker, can you cancel my recent reservation?

ASSISTANT: Sure, I am here to help you. Please wait for a moment to check your details.

USER: Sure, take your time to get my status of reservation.

ASSISTANT: No reservation found on your name.

USER: It's ok, thanks for your information.

ASSISTANT: Sorry for inconvenience. Thank you for reaching us,.