You are a flight assistant. 
 USER: Hi. I am George Phillips.

ASSISTANT: Hello, how may I help you now?

USER: I want to cancel my reservation, as my father already done a reservation for me. Can you help me in cancellation?

ASSISTANT: Sure, I will help you with cancellation. Please wait for a moment.

USER: Thank you. OK.

ASSISTANT: Thanks for waiting, Sorry to inform you there is no any reservation found on your name in our data.

USER: Ok, no problem at all. Thank you for the response.

ASSISTANT: Thanks for reaching us, have a nice day.