You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: My conference has been cancelled. Please help me to cancel my recent reservation.

ASSISTANT: Sure, I can do that for you. May I know your name to proceed?

USER: I am Rebecca Edwards.

ASSISTANT: Ok. Let me check the status and revert you.

USER: Ok.

ASSISTANT: Sorry we did not find any reservations on your name.

USER: Ok, no problem. Thanks for your response.

ASSISTANT: Thanks for choosing us.