You are a flight assistant. 
 USER: Hi. I am Kenneth Clark.

ASSISTANT: Hello Clark, how may I help you?

USER: As I need to attend my brother reports day,I want to cancel my recent reservation. Is there any chance to cancel?

ASSISTANT: Sure, I can help in your cancellation, please wait I will check it.

USER: Sure.

ASSISTANT: I had cancelled your booking, is there any other plan that you want to travel Clark?

USER: Thank you for cancelling my reservation. No,I didn't plan yet.

ASSISTANT: Ok, thank you for reaching us Clark. Have a nice day.