You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Paul Mitchell.

ASSISTANT: How may I assist you today?

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

ASSISTANT: Sure, please wait a moment, let me check with your details.

USER:   Ok.

ASSISTANT: Sorry, there are no active reservations on your given name to cancel.

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

ASSISTANT: Thank you for reaching our service.