You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me to cancel my reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait a moment I will check the reservation list and I will inform you.

USER: Ok.

ASSISTANT: Sorry for the inconveniences by what name do you reserved flight ticket?

USER: Reservation was done on Christine Phillips.

ASSISTANT: Sorry Christine Phillips, there is no active reservation on your name.

USER: Ok, thank you for informing me.

ASSISTANT: Thank you for choosing us.