You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I oblige you now?

USER: Please cancel my recent reservation.

ASSISTANT: Sure, that's what I am here. May I know your good name please?

USER: I am Betty Collins.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

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

USER: Thanks.

ASSISTANT: Thanks for contacting us, have a great day.