You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me to cancel the flight ticket which I had done last month?

ASSISTANT: Sure, I will help you with cancellation. Please mention on which name reservation was done?

USER: Ok, please check for the name Gary King. Thank you for positive response.

ASSISTANT: Please wait for a while and let me check you reservation.

USER: Yes, please take your own time.

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

USER: That is ok, thank you for providing the information.

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