You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Owing to an emergency, my planned trip to sky diving with friends got cancelled. So I want you to cancel my recent reservation.

ASSISTANT: Ok, can I know your name please? Please stand by.

USER: Sure, I have a recent reservation with name Anthony Green.

ASSISTANT: Thank you, sorry to inform no reservation found on your name.

USER: Ok, not an issue. Thank you for your support.

ASSISTANT: Thank you for reaching us, have a nice day.