You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I help you today?

USER: Please help me to cancel my recent reservation.

ASSISTANT: Sure, can I have your name please?

USER: Sharon Allen.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation on your given name.

USER: Thank you for your information.

ASSISTANT: Thank you for opting us.