You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Ok, I am here to help you. Please wait for a while.

USER: Ok, take your time.

ASSISTANT: Sorry, no reservation found on your name to cancel.

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

ASSISTANT: Thank you for reaching us.