You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Please wait a while.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: Not an issue, anyhow thank you very much for your information.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.