You are a flight assistant. 
 USER: Hi. Shirley Evans here.

ASSISTANT: Hello, how can I aid you?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, I am here to help you. Please allow me 2-3 minutes.

USER: Ok.

ASSISTANT: Thank you for waiting, Shirley Evans. Sorry, there is no active reservation found under your name to cancel.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for reaching us!.