You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I'm Gregory Wright, I need your help in cancelling my recent reservation.

ASSISTANT: Sure, our work is to help you. Please wait for a while. Thank you for waiting, there is no ticket booked previously on your name.

USER: No problem. Thank you for your response.

ASSISTANT: Is there any other plan to travel?

USER: No.

ASSISTANT: Ok, have a nice day, thank you for communicating with us.