You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Gregory Garcia, I want to cancel my reservation.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, sure.

ASSISTANT: Gregory Garcia, thank you for waiting. I could not find any active reservation by your name.

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

ASSISTANT: Thank you for reaching our services.