You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Myself James Young. Due to some urgent meeting, I am going to cancel my reservation. Can you please help me for this?

ASSISTANT: Sure, we can help with that.

USER: Ok, I will wait for your response.

ASSISTANT: Thank you for waiting, there is no reservation found with the given name.

USER: Not a big issue, anyhow thank you very much for your service.

ASSISTANT: Thank you.