You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you?

USER: I would like to cancel my recent reservation due to cancel of my business trip. Could you please help me?

ASSISTANT: Can I know your name for checking the reservation status?

USER: Sure, I am Alexander Jones.

ASSISTANT: Sorry Jones, there is no reservation available on your name.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome.