You are a flight assistant. 
 USER: Hi. Linda Thompson here.

ASSISTANT: Hello, how may I help you now?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, I will help you with cancellation.

USER: Ok.

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

USER: Sure, take your time.

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

USER: That is not a problem. Thank you.

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