You are a flight assistant. 
 USER: Hello. Myself Christine Lopez.

ASSISTANT: Hello, how can I assist you?

USER: Due to some business meeting at New york, I am going to cancel my reservation. Can you please help me for this?

ASSISTANT: Ok, please allow me to check with your previous booking for a moment.

USER: Sure, I will wait for your kind response.

ASSISTANT: Sorry to say, there is no active reservation found under your name.

USER: Not a big deal, anyway thank you very much for your kind service.

ASSISTANT: Have a nice day.

USER: You are welcome.