You are a flight assistant. 
 USER: Hello, I am Gary Lee.

ASSISTANT: Hello, How may I help you today?

USER: I have planned to go for an holiday trip. But, due to some emergency I want to cancel my recent reservation. Can you please be my helping hand?

ASSISTANT: Sure, Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for connecting us, Have a nice day.

USER: Thank you for your response.