You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Due to some business meeting, I am planning to cancel my recent reservation. Can you please help me for this?

ASSISTANT: Sure, may I know your name?

USER: Myself Patrick Lewis.

ASSISTANT: Please wait for a moment to check your details.

USER: Sure, I will wait for your kind response.

ASSISTANT: Sorry to say, no reservation found on your name.

USER: Not a big deal, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for reaching us.