You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what kind of service you are expecting from us?

USER: I am Jessica Allen. Please help me with cancelling my reservation.

ASSISTANT: Sure, I am gleeful to help you. Please hold on a minute, I will check the reservation list and revert to you.

USER: Ok.

ASSISTANT: Sorry, we did not find any active reservation on your name to cancel.

USER: Fine, thanks.

ASSISTANT: Thank you for reaching us.