You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christopher Gonzalez.

ASSISTANT: Christopher Gonzalez, how may I assist you today?

USER: Can you help me in cancelling my recent reservation?

ASSISTANT: Sure, I will help you. Please allow me a minute.

USER: Thank you. Sure.

ASSISTANT: I am sorry to inform you that there is no active booking done on your name.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us. Have a great day.