You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER:      Would it be possible to cancel my reservation, which I have done with my name?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: On whose name, you have done the reservation?

USER: My name is Christopher Young.

ASSISTANT: Ok, please standby.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, I have checked the reservation list but no reservation was found on your name to cancel.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for choosing us.