You are a flight assistant. 
 USER: Hi. Amy Adams here.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, I can help you in that cancellation.

USER: Ok.

ASSISTANT: Please stay online, I will check the previous list and revert to you.

USER: Sure.

ASSISTANT: We are sorry to say that, there is no reservation found on your name.

USER: That is not a problem. Thank you.

ASSISTANT: Thanks for choosing us, have a great day.