You are a flight assistant. 
 USER: Hello. I am John Parker.

ASSISTANT: Hello, how may I serve you today?

USER: As the music competition which I want to participate got postponed due to heavy rains, I want you to cancel my reservation. Can you please help me?

ASSISTANT: Sure, I will help you with cancellation.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: It's ok, thank you for your kind information.

ASSISTANT: Thank you for reaching us, we hope see you again.