You are a flight assistant. 
 USER: Hello. I am Jessica Parker here.

ASSISTANT: Hello, how may I serve you today?

USER: I need to cancel my reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you for accepting my request.

ASSISTANT: Please wait for a while. Sorry to say that, there is no active reservation found on your name.

USER: Not a big problem, anyway thank you for the information.

ASSISTANT: Thank you for opting us.

USER: Most welcome.