You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Jeffrey Johnson. I made a reservation earlier to attend a business meet, but due to some emergency I need to cancel it. Can you help me in doing that?

ASSISTANT: Sure, Jeffrey Johnson, we are happy to help you. Please standby, I will check the status and notify you.

USER: Sure, I will wait.

ASSISTANT: Thanks for your valuable time. Sorry, we did not find any existing reservation based on your name.

USER: Ok, Thanks for your quick response.

ASSISTANT: Thank you for opting us, we hope to serve you again.