You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am not flexible to travel in flight, so, I want to cancel my reservation. Can you please help me in cancellation?

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: May I know your name to check the status of your reservation?

USER: I am Richard Lee.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: No reservation has been found with your name. Thanks for choosing us, have a nice day.

USER: Thank you for your help.