You are a flight assistant. 
 USER: Hello. My name is Jessica Lee.

ASSISTANT: Hello, how may I help you now?

USER: I want to cancel my reservation, can you please help?

ASSISTANT: Sure, I will help you with cancellation.

USER: Thank you.

ASSISTANT: Please wait for a moment, while I search for the reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: No problem, thank you.

ASSISTANT: Thank you for visiting us, we hope see you again.