You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I render you?

USER: I am Anthony Lewis. I just want to cancel my reservation, my football tournament has been rescheduled for future dates. Can you please help me with cancellation?

ASSISTANT: Sure, Please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, no reservation found on your name.

USER: Ok, no worries at all. Thank you for your response.

ASSISTANT: Thank you for opting us.